In your blood what does the white blood cells do

Answers

Answer 1

Answer:

In your body you have these things called white blood cells that are like your immune system so they're your defense system. So when a bacteria or a virus or a fungus or something comes into your body that's not supposed to be there, your white blood cells will attack and try kill that virus or bacteria.

Answer 2

Answer: White blood cells fight infections from bacteria, viruses, fungi. and other pathogens (organisms that cause infection).

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The body has very efficient internal defenses which can remove any quantity of an unwanted substance.a. True b. False
According to a Gestalt principle called _______, when we're looking at a crowd of people, we tend to perceive people grouped close together as belonging to a common or related group.
Why do stretching exercises increase flexibility more than cardio exercises?(a) Cardio exercises do not require a full range of motion.(b) Cardio exercises improve the strength of the limbs.(c) Cardio exercises consist of fluid movements.(d) Cardio exercises depend on increased oxygen flow.

How can anger affect eating habits? Select the two correct answers.A. It can reduce appetite.
B. It can reduce hydration levels.
C. It can lead to poor food choices.
D. It can improve appetite.

Answers

The correct options are:
IT CAN REDUCE APPETITE [A].
IT CAN LEAD TO POOR FOOD CHOICE.
Our emotions, moods and the choices we make are interrelated. When one is angry, the anger usually reduce one's appetite and one loses the desire to eat. Our mood influences our food choice and when we are angry, it is very easy to make food choices that are not beneficial to us.

A. It can reduce appetite & C. It can lead to poor food choices

The thin, narrow structure of the capillaries is well-suited to their function because the capillaries _____.A) only carry the liquid portion of blood
B) transport substances directly to the body cells
C) require only a small amount of oxygen to function
D) have the opposite function of arteries and veins

Answers

Correct answer choice is :

B) Transport substances directly to the body cells

Explanation:

Capillaries are very thin blood vessels that were first found in frog lungs in 1661. They bring nutrients and oxygen to muscles and eliminate trash products. They are only one cell thick, and they are the sites of the transferal of oxygen and other nutrients from the bloodstream to other muscles in the body, they also accumulate carbon dioxide waste elements.

The correct option is B. The capillaries transport substances directly to the body cells and their structure enables reduction of diffusion distance.

Long-term alcohol use is more severe in older people than younger people because older people's body systems are generally weaker.True or false?

Answers

False. Long term alcohol use is more severe in older people because they have had longer to both consume alcohol and suffer its effects than younger people. However, a weaker immune system may also have an effect, although immune systems cannot necessarily fight off some alcohol-induced illnesses like liver cancer. Younger people may also be more aware of the risks of long-term alcohol use, so it may be less severe for them.

Answer:

False

Explanation:

According to the american college of sports medicine, at what exercise level should individuals begin an exercise program? a. expert to moderate
b. intense to expert
c. light to moderate
d. moderate to intense

Answers

the answer will be d. moderate to intense

A myocardial infarction is a heart attack.

Answers

True, myocardial infarction is a heart attack. It happens when the flow of blood stops to a certain part of the heart causing damage to the heart muscle. The common symptom is chest pain feeling like you are having a heartburn.

Answer:

TRUE

Explanation:

The ovaries are located in the ___ cavity. Select one:a. lower abdominal
b. lower thoracic
c. upper pelvic
d. external scrotal

Answers

The ovaries are located in the lower abdominal.

The ovaries are significant in reproduction, only because they produce the hormones, and gametes which are fertilized, and that forms embryos (fertilized eggs or...babies).

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Illustrate the main functions of protein carbohydrates and vitamins on the body