Which of the following is TRUE concerning people who exercise regularly?
A. They have an increased amount of adrenaline being pumped into the bloodstream.
B. They have an increase in the intensity of the stress response.
C. They have a longer recovery time when stressed.
D. They have an increased release of brain chemicals called endorphins.
E. They have shorter telomeres on the chromosomes that influence aging.
D. They have an increased release of brain chemicals called endorphins.
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Tom is addicted to exercise. Which of the following is most likely to be true?
A. He can easily quit exercise if he wants to. B. He feels a compelling need for exercise. C. Exercise has made organic changes in his body. D. He has a genetic weakness that makes him exercise.
Hepatitis B vaccinations are not recommended for children.
Answer the following statement true (T) or false (F)
____________________contraception provides a second chance to prevent pregnancy following unprotected sexual intercourse or contraceptive failure
Fill in the blank(s) with correct word
The most important variable that determines resistance to blood flow is
A. the viscosity of blood. B. the diameter of the vessel. C. blood pressure. D. the length of the blood vessel.