Which of the following is a chemical barrier that is able to destroy the cell walls of certain harmful bacteria?
A.
mucus membranes
B.
skin
C.
white blood cells
D.
enzymes in tears

Answers

Answer 1

The chemical barrier that is able to destroy the cell walls of certain harmful bacteria is enzymes in tears. The correct option is D.

What is a pathogen?

A pathogen is an organism that causes disease in its host, and the severity of the disease symptoms is referred to as virulence

Pathogens, which include bacteria, fungi, protozoa, worms, viruses, and even infectious proteins known as prions, cause infectious diseases.

Chemical barriers to infection include enzymes in tears, saliva, and mucus that break down bacteria's surface.

Acid in sweat and stomach kills cellular pathogens, and semen contains anti-bacterial proteins (the fluid that contains male sperm).

Pathogens wreak havoc on their hosts in a variety of ways. The most obvious method is direct damage to tissues or cells during replication, typically through the production of toxins, which allows the pathogen to reach new tissues or exit the cells within which it replicated.

Thus, the correct option is D.

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Answer 2

Answer:

d

Explanation:


Related Questions

Which statement is true?

Bronchitis can result in hoarseness.
Cystic fibrosis is a genetic disorder that causes thick mucus secretions.
Asthma causes a loss of appetite and weight.
Pneumonia is an inflammation of the lungs that is caused only by bacteria.

Answers

Answer:

Cystic fibrosis is a genetic disorder that causes thick mucus secretions

Explanation:

You can only inherit cystic fibrosis from your parents you, can't contract it from someone else. Cystic fibrosis causes thick mucus secretions in the lungs and could require surgery to remove them.

Answer:

B

Explanation:

Tsunamis are disasters that cannot be prevented. However, after the tsunami in Indonesia in 2004, many island nations developed early warning systems to alert the people when the ocean tides were rising. This allows people to get to higher ground before the tsunami hits, decreasing the loss of life and devastation from a tsunami. This is an example of what?

A. Preparation
B. Response
C. Recovery
D. Mitigation

Answers

Answer: D. Mitigation

Explanation: What pops out to me in this question is "decreasing the loss of life and devastation from a tsunami." I thought it was A for a second but I remembered the definition of Mitigation. Mitigation means the action of reducing the severity, seriousness, or painfulness of something. This means that this was here to decrease the loss of people. If this answer so happens to be incorrect, A should be the correct answer. But here they are trying to reduce losing people therefore, D would be the correct answer.

Answer:

D.) Mitigation.

Explanation:

- The answer is D because Mitigation means to prevent something from happening, ad in the example they prevented the tsunami from destructing and/or harming anyone.

What is the anatomy for squats

Answers

Answer:

The 2 joints that make up the knee are tibiofemoral joint (where the tibia meets the femur) and the patellofemoral joint (where the patella meets the femur). The primary knee muscles during the squat are the Quadriceps group – they work concentrically during knee extension and eccentrically during knee flexion.

The liver is an essential part of the digestive system. Which of the following levels of
organization can be found in the liver?

Answers

Answer:

the liver is an organ

Explanation:

it is made up of specific parts to perform certain functions

The liver is an organ

The 200m does not start in a straight line. what is this type of start called??

Answers

Answer:

What individual event sprints a full lap

Explanation:

arrange the jumbled letters to form the terms used in baseball.
DOUTUG​

Answers

Answer: Dugout

Explanation:

In baseball, the dugout refers to the two low shelters, one for the home team and another one for the visiting team, where each team's bench is, and where players and coaches are during a match, with the team´s equipment. From the dugout, the manager can deliver his strategy through hand signals with the first and third base coaches.

confusion and nausea but no pain what drug

Answers

Answer:Depressants

Explanation:

if i failing i try to get sum help

Answers

Answer:

lght I'll help you with whatever you need if I know it of course

Here to help if you need an answer answered.

Match the terms
places importance on autonomy


respect for others


comes from within


neither too hard or too easy


person who guides or directs

1.
self-determination theory

2.
diversity

3.
optimal challenge

4.
leader

5.
intrinsic motivation

Answers

Explanation:

1.  comes from within

self-determination theory

It is based on human motivation.

2. respect for others

diversity

Respect for people who are of different races, cultures, traditions, religions, and more.

3.  neither too hard nor too easy

optimal challenge

It is not too hard nor too easy because the balance is important in this case.

4.  a person who guides or directs

leader

A person who is there to help and guide other people in order to succeed.

5.  comes from within

intrinsic motivation

Something that comes from any individual.

I need some help with this

Answers

I think the answer is minerals but I’m not quite sure
The correct answer is Minerals.

Sandy has a realistic mindset about her weight loss if she
A. sets a goal that includes cardiovascular exercise
B. expects the weight lost to occur slowly over time
C. includes resistance training to help control her weight
D. all of the above

Answers

D- all of the above

Answer:

D. All of the Above.

Explanation:

There isn't anything unachievable with the other options, and so they would all be answers. Therefore, D would be them all.

After a person makes a decision, he or she should

Answers

Answer:

Follow through with the decision

Explanation:

cluster of air sacs in lungs are called ( )
nucleus
bronchi
bronchioles
Air spaces​

Answers

Answer:

Your airways branch into networks of tiny tubes (bronchioles) that dead-end into clusters of air sacs called alveoli. These air sacs make up most of your lung tissue.

Explanation:

......need thanks.....

2. Describe how the heart and lungs function together - what do they accomplish when it comes to oxygen/circulation? ​

Answers

Answer:

The lungs take the oxygen from the air you breath and the heart put in your blood and pumps throughtthe body

Explanation:

Which of the following statements is FALSE?
A.
Muscular strength is more important than muscular endurance.
B.
Muscular strength is your muscles' ability to exert force against resistance.
C.
Muscular endurance is your muscles' ability to continue performing without fatigue.
D.
The more muscular endurance you have the more repetitions you can do.

Answers

It’s either a or b. I think it’s b because muscular strength should be less important then muscle endurance since with better endurance you can do more like more reps but it’s either a or b

Question 3 (1 point)
Which of the following helps different groups responsible for public health to cooperate with each other?

Question 3 options:

Both of the other answers are correct.


Involving people from different organizations on an investigation team.


Reporting lab test results to a doctor as well as to a public health office.

Answers

Answer:

option no 3 is the correct answer

What is the link between heredity and alcohol addiction?​

Answers

Some people have genes that make it easier for them to become addicted to alcohol. According to American Addiction Centers, the alcohol use disorder has been linked to specific genes, which means that a parent who has alcohol problems, increases the chances that his sons are gonna have that addictive behaviour too.

Answer:

Some people have genes that make them easier to eb addicted to certain drugs

Explanation:

I just took the test

PLZ HURRY! WILL MARK BRAINLIEST
Which would be the best topic sentence for a paragraph about how to train a dog?

This paragraph is about how to train dogs.
Do you have a pet dog and a desire to train it?
Training a dog requires patience and determination.
Although people have all kinds of pets, dogs are the easiest to train.

Answers

Answer:

I'm pretty sure its 'Training a dog requires patience and determination'. It seems the most likely.

though it could be 'do you gave a pet dog and desire to train it--'

Answer:You would first have to gain their respect so that they could listen to you, this means you must be in control, you have to disci pline the dog if they do something they shouldn't, (DO NOT DO IT PHYSICALLY ONLY THROUGH WORDS, Never abuse your dog!)  If they do something bad, take it easy on them they might not understand they are doing something wrong simply talk to them in an upset tone so that they understand that they are upsetting you, Remember you also have to be caring, be kind and give them lots of attention and love, and they will respect you. From there you have to teach them the correct ways to do things, for example, potty training, (oh boy) you have to bring them outside every once in a while so they could do their business, tell them not to do it inside, and they will soon get the hang of it, and well for trcks, they take time. In the end, it will take time to teach them things, you just have to gain their respect and teach them. and that's how you train a dog. Now I just want to let you know, I don't own a dog, and this might not be completely correct, anyways this is my opinion on how to train a doggo.

Explanation:


What is regression and how does it relate to toilet training ?

Answers

Answer:

Like 'age regression' ?

Explanation:

What is the main difference between health science workers and health care workers?
Health science workers are more likely to improve the lives of patients.
Health care workers are more likely to work in behind-the-scenes jobs.
Health care workers are more likely to study health science in school.
Health science workers are more likely to conduct academic research.

Answers

Answer:

Health science workers are more likely to conduct academic research

Explanation:

Answer:

D

Explanation:

E2021

A 100-meter sprint is a race using only the straight side of a racetrack. A 400-meter sprint is a race that makes one complete lap around a racetrack. Why are velocity and speed the same for a 100-m sprint but not a 400-m sprint?

Answers

Answer:

it is possible

Explanation:

it is so because velocity and speed differ each other by direction. in a 100 m sprint race ,the person moves in a straight path without changing its direction where as in a 400 m race , the person moves in a lap around the race track and the direction changes as he turns according to the race track.

Answer: In the 100-m sprint, the displacement is 100 meters and the distance is 100 meters. This means speed and velocity are the same for the 100-m sprint. In the 400-m sprint, the distance is 400-m, but the runners stop at the same place they start so the displacement is zero. Zero displacement means zero velocity.

Explanation: thats the exact answer from edge so id recommend to change it a lil :)

The body’s primary source of energy comes from _______________.

Answers

Answer: carbohydrates

Explanation:

What does the acronym TADRA stand for

Answers

Answer:

Teenage and Adult Driver Responsibility Act

Explanation:

I don’t really have an explanation for this, but I did this lesson in my class

So I hope it helps you!

Answer:

Teenage and adult driving responsibility act

Explanation:

Pretty sure that's the answer lmk if I'm wrong! Hope this helped.

Before stretching, engage in walking for 5-10 minutes.
true or false

Answers

False.................

What is a fracture? What are the symptoms and treatments? What are the four common types of fractures?

Answers

Answer:

Question 1.: A fracture is a broken bone. It can range from a thin crack to a complete break. Bone can fracture crosswise, lengthwise, in several places, or into many pieces

Question 2.: The main symptom is pain. There may also be loss of functionality depending on the area affected. Also, bleeding, bruising, limping, loss of height, physical deformity, swelling, or tenderness.

Question 3.: Greenstick - Incomplete fracture. ...

Transverse - The break is in a straight line across the bone.

Spiral - The break spirals around the bone; common in a twisting injury.

Oblique - Diagonal break across the bone.

Compression - The bone is crushed, causing the broken bone to be wider or flatter in appearance.

Explanation:

What does the peripheral nervous system do? A helps you learn new facts B helps nerve impulses move from one neuron to another C controls your imagination D delivers messages from the central nervous system to the rest of your body​

Answers

I think the answer is b

Why is it important to show gratitude to people?

Answers

Answer:

It is important to show gratitude to people because gratitude show people feel more positive emotions, relish good experiences, improve their health, deal with adverisy and build strong relationship. People would feel and express gratitude in multiple ways.

What does the acronym TADRA stand for?

Answers

Answer:

Teenage and Adult Driver Responsibility Act for georgia

Explanation:

teenage and adult driver responsibility

Is Financial support is the only thing legally required of parents?

Answers

Answer:

NO

Explanation:

Because should be the following

- caring

-supporting

- financial supporting

- be able to give food & coverage

- etc......

Answer: For a childcare provider, focus, responsiveness, competence, and promptness are important qualities. There is no incorporation of children with special needs into conventional childcare.

Explanation:

Hope This Helps!!!

Describe how acids and bases work in our bodies?

Answers

Most enzymes can do their job only at certain level of acidity..cell secret acids and bases to maintain their proper pH for enzymes to do their work.. acids and bases are working at our digestive system

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