Human Anatomy & Physiology - Part 2

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created 8 years ago by Valarie
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College: Second year
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1

What does the endocrine system do and by what means?

It influences metabolic activity by means of hormones

2

Define hormones

chemical messengers

3

The major processes controlled and integrated by these "mighty molecules" are

reproduction, growth and development, maintenance of electrolyte, water, and nutrient balance of the blood, regulation of cellular metabolism and energy balance and mobilization of body defenses

4

The study of hormones and the endocrine organs is called

Endocrinology

5

Exocrine glands have ducts or are ductless

have ducts

6

Endocrine glands have ducts or are ductless

they are ductless

7

Which one produces hormones. Endocrine glands or exocrine glands?

endocrine glands

Exocrine glands produce non-hormonal substances, such as sweat and saliva, and have ducts that carry these substances to a membrane surface

8

Name the endocrine glands

pituitary, thyroid, parathyroid, adrenal, and pineal glands

9

The hypothalamus, along with its neural functions, produces and releases hormones, so we can consider the hypothalamus a _________

neuroendocrine organ

10

Define autocrines

are chemicals that exert their effects on the same cells that secrete them.

11

Define paracrines

they also act locally but affect cell types other than those releasing the paracrine chemicals.

12

Most hormones are steroid or amino acid based?

amino acid based

13

Amino acid based hormones are synthesized from _____?

proteins

14

Steroid based hormones are synthesized from ____?

Cholesterol