Answer:
A. They destroy antigens because they are a foreign object.
Doing exercises is a logical scenario where you defend your health.
It is proven that practicing exercise regularly contributes to maintaining good health and preventing diseases.
It is important to do exercises because it has biological and psychological benefits.
Among the bilogical benefits we have:
1) Improves physical shape and endurance
2) Regulates blood pressure figures.
3) Increase or maintain bone density.
4) Improves insulin resistance.
5) It helps maintain body weight.
6) Increase muscle tone and strength.
Among the psychological benefits we have:
1) Increase self-esteem
2) Improve the self-image
3) Reduce social isolation
4) Reduce tension and stress
5) Reduce the level of depression.
6) Help relax.
1) This type of conditioning is called classical conditioning. We learned that Jenny is always associating her room as a very cold environment. Because of this, she starts to <em>anticipate</em> this coldness that she even starts to shiver before she enters the room. Associating two events together is part of classical conditioning.
2) For this item, the type of conditioning shown is called operant conditioning. Operant conditioning is defined as having a change in behavior because of a reinforcement or a punishment. In this case, Jake is met with a punishment in the form of the ticket that's why his behavior changed.
3) This item is also an example of classical conditioning. Because you really disliked the sheep's brain, you started changing your behavior towards it that even something only <em>similar</em> to the brain makes you react unpleasantly. Here, you associated the brain (or the sight of something similar) to your very unpleasant experience in biology.
4) This one is another example of operant conditioning. Here, instead of being punished, you are offered a reinforcement in the form of a compliment. Because of this compliment, you decided to continue your haircut. Thus, the reinforcement successfully influenced your "behavior".
So first you need to collect data. this is too mych work