Ch. 17.1

Question 1

Hormones

Answer 1

Molecules that are synthesized and secreted by endocrine glands.

Question 2

Target cells

Answer 2

Cells that have specific receptors for a hormone.

Question 3

What are the functions of the endocrine system?

Answer 3

Regulates growth, development, and metabolism.
Maintains homeostasis of blood composition and volume.
Controls digestive process.
Controlling reproductive activities.

Question 4

How does the endocrine system regulate growth, development, and metabolism?

Answer 4

Play a role in cell division and cell differentiation. Hormone also control metabolic (anabolic and catabolic) activities.

Question 5

How does the endocrine system regulate homeostasis of the blood composition and volume?

Answer 5

Endocrine glands regulate the amount of substances that are dissolved in the blood (i.e. glucose, amino acids, and ions) Also helps regulate volume, cellular concentration, and number of platelets.

Question 6

How does the endocrine system control digestive process?

Answer 6

Hormones help control secretion and movement through the GI tract. I.E. Gastrin- increases stomach contraction and secretion.

Question 7

How does the endocrine system control reproductive activities?

Answer 7

Regulates development and function of reproductive system as well as expressions of reproductive behavior.
I.E. Prolactin- stimulates production of breast milk.