Blood cells are produced in the:
13) Blood cells are produced in the:
A) spleen.
B) thymus gland.
C) red bone marrow.
D) liver.
C) red bone marrow.
Blood cells are produced in the red bone marrow. They are broken down in the
spleen, and iron is stored in the liver. The thymus gland is part of the immune system.
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John has just returned from a 2-week vacation. During this time, he didn't adhere to his daily 30- to 60-minute routine of moderate-intensity exercises. Experts say John should _____.
A. rest for at least 2 days before exercising B. make up for the time he missed by exercising 60–90 minutes a day C. do only stretching exercises for a month D. build up gradually to his previous level of exercise E. resume exercising at the same level he left off
What is one strategy for handling inappropriate behavior in the gymnasium? Describe a scenario and describe what techniques you might use to accomplish this goal.
What will be an ideal response?
What is the meaning of the prefix an-?
A) upon B) lack of; without C) above D) beneath; below
Describe the rhythm method of birth control.What are some advantages and disadvantages of this contraception choice?