Endocrine System

Question 1

What is the life process by which cells and organisms respond to changes within and around them

Answer 1

Regulation

Question 2

What 2 system regulate and control the body in humans

Answer 2

Endocrine and nervous

Question 3

How does the endocrine system regulate the body

Answer 3

chemically regulates

Question 4

growth in plants towards or away from a stimulus

Answer 4

tropism

Question 5

influences division, elongation and differentiation

Answer 5

Auxin

Question 6

Pheromones-chemicals produced by some animals

Answer 6

Females attract males
can cause fight reactions
sex chemicals
leads insects to food
detect other members of the same species

Question 7

Endocrine system has and does

Answer 7

Has ductless glands
Secrete hormones into blood

Question 8

What are chemicals produced in one part of the body that are transported to other parts where they exert their specific effects

Answer 8

hormones

Question 9

Endocrine glands

Answer 9

Secrete hormones(regulatory chemicals) into the blood stream

Hormones are carried by blood to a target organ or cells where they regulate a specific activity

Question 10

2 classes of hormones

Answer 10

Proteins and peptides(chains of amino acids) FSH, LH, GnRH, Oxytocin(Don’t go through membrane)

Steroids and Lipids(goes through membrane) Estradiol, progesterone, testosterone, prostaglandins

Question 11

Each hormone has a target tissue that it must find. How does it find the target tissue?How does it have no effect on non-target tissues with no receptors?

Answer 11

Only that tissue has RECEPTORS for recognizing the hormone.

Question 12

Where is the hypothalamus?

Answer 12

The brain

Question 13

What does the hypothalamus influence?(releases factors that tell it what hormone to produce)

Answer 13

The pituitary gland

Question 14

What is the hypothalamus?

Answer 14

A link between the endocrine and nervous system

Question 15

Pituitary gland

Answer 15

Master gland
secretes numerous hormones

Question 16

hypothyroidism

Answer 16

Under-secretion

Question 17

Crentinism

Answer 17

children underdeveloped mentally and physically

Question 18

Myxedema

Answer 18

Adults body puffy and lose alertness

Question 19

hyperthyroidism

Answer 19

over-secretion
Higher rate of metabolism
restless, thin, rapid HR, bulging eyes

Question 20

Goiter

Answer 20

Enlargement of thyroid
iodine deficiency

Question 21

Parathyroid

Answer 21

4 patches in thyroid
Hyper-brittle bones
hypo-violent contractions called tetany

Question 22

adrenal gland

Answer 22

ad-top
renal-kidney
2 parts-medulla(secretes adrenaline)
cortex-produces 30 hormones(controls sugar metabolism and salt/water balance)

Question 23

only organ that is endocrine and exocrine

Answer 23

pancreas

Question 24

Endocrine and exocrine

Answer 24

Endo-pancreatic juices through duct
exo-islets of langerhans

Question 25

diabetes

Answer 25

not enough insulin or insulin not working properly

Question 26

gastrin

Answer 26

stomach, gastric juices

Question 27

secretin

Answer 27

small intestine, pancreatic juices

Question 28

thymus

Answer 28

thymosin, immunity, lymphocyte production

Question 29

prostaglandins

Answer 29

local hormones