HumanBiology5.pdf - Score 21/26 You passed this Milestone...

UNIT 5 — MILESTONE 5
Score 21/26
You passed this Milestone
21 questions were answered correctly .
5 questions were answered incorrectly .
1
Which of the following statements about aging is true?
When a male goes through andropause, his testosterone levels drop and he is no longer able to
reproduce.
As we age, we often become shorter because the discs in between your vertebrae become more
compact.
The telomeres on our chromosomes grow longer as we age.
The way in which you age is completely dictated by your genes.
CONCEPT
Effects of Aging on Your Body
2
Which of the following hormones is secreted by the adrenal medulla?

Epinephrine
Glucocorticoids
Mineralocorticoids
CONCEPT
Adrenal Glands
3
Where are sphincters found?
Throughout the small intestine
Between two parts of the digestive tract
Between the pharynx and the mouth
On the outside of the digestive tract
CONCEPT
The Alimentary Canal
4
Which of the following statements about brush cells is true?

They are found on the microvilli and have villi on them.
CONCEPT
Small Intestine
5
What happens when calcium levels in the blood drop too low?