endocrine system

Question 1

what does the endocrine system do?

Answer 1

regulates mood, metabolism, tissue function, growth and developement, and reproductive processes

Question 2

what is this system made up of?

Answer 2

glands that secrete hormones directly into the bloodstream

Question 3

hormones

Answer 3

chemical messengers that target a specific group of cells, in order to do some actvity or to stop doing an activity
- they act by binding to chemical receptors on specific levels called target cells
- they are proteins with specific shapes that match the receptors on their target cells
- they may not be produced until specific times in a person’s life

Question 4

glands

Answer 4

structures that produce hormones (chemicals that serve as messengers for the endocrine system to maintain homeostasis)

Question 5

hypothalamus

Answer 5

both systems use it to sense, regulate, and process change in the body and restore them to normal through feedback loops

Question 6

The Glands of the Endocrine System

Answer 6

• hypothalamus
• pituitary gland
• thyriod gland
• parathyroids
• adrenal glands
• pancreas
• ovary
• testis

Question 7

Pituitary gland

Answer 7

• the master gland because it affects mult. organs in th ebody
• it is a bean sized organ found at the base of the brain
• secretes hormones that regulate many body functions & controls the cation of other endocrine glands by actuvating them or turning them off

Question 8

Hypothalamus

Answer 8

• found next to the pituitary gland
• it links the nervous system and the endocrine system
• it controls the secretions of the pituitary gland & recieves internl sensory information
• the activity level of the hypothalamus depends by the levels of hormones alr present in the blood
• it secretes a hormone that will trigger and activate the pituitary gland to secrete other hormones that have effects all over the body

Question 9

Adrenal Glands

Answer 9

- pyramid shaped structures, found on top of the kidneys
- they’re glands that help the body recover from stress and respond to emergencies by secreting several different hormones
- aldosterone is a hormone that inhibits the amount of sodium excreted in urine and serves to maintain blood volume and pressure
- the hormone cortisol aids in the metabolism of fats, proteins, and carbohydrates
- the hormones epinephrine plays a role in the body’s response to stress

Question 10

thyroid glands

Answer 10

• base of the neck
• play a major role in regulating the body’s metabolism, which can impact weight
• produces hormones that regulate metabolism, body heat, and bne growth

Question 11

parathyroid glands

Answer 11

4 small glands that release hormones that regulate the calcium levels in the body which can impact bone density

Question 12

pancreas

Answer 12

works in the digestive system as a gland that produces digestive enzymes ancd in the endocrine system a sa gland that produces the hormone, insulin and glucagon

Question 13

insulin

Answer 13

the hormone which regulates teh amount of glucose in the blood

Question 14

glucagon

Answer 14

promotes the breakdown of glycogen to glucose in the liver

Question 15

the hormones that help regulate blood glucose levels

Answer 15

insulin and glucagon

Question 16

blood glucose

Answer 16

amount of sugar in the blood;
normal level: 80-120 mg in 100ml of blood

Question 17

what does the thyroid produce?

Answer 17

thyroxine

Question 18

what does thyroxine do?

Answer 18

regulates the way cells reease energy from nutrients

Question 19

People who produce too much thyroxine will experience what symptoms?

Answer 19

nervousness, weight loss, increased thirst, rapid heartbeat, and an intolerance for heat

Question 20

how does teh body react when your thyroid is overactive?

Answer 20

the pituitary senses this and slows or shuts down the production of TSH

Question 21

how does teh body react to when you have a low thyroid hormone amount?

Answer 21

the pituitary releases thyroid stimulating hormone to signal the thyroid to release more thyroid hormone