Chapter 6 Flashcards Preview

PE 220 > Chapter 6 > Flashcards

Flashcards in Chapter 6 Deck (10)
Loading flashcards...
1
Q

Define hormone

A

Chemicals that are released from endocrine glands

2
Q

Define primary endocrine gland

A

Main function is to release hormones

3
Q

Define secondary endocrine gland

A

Secondary function is to release hormones

4
Q

What are some primary endocrine glands

A
Hypothalamus
Pituitary gland
Pineal gland
Thymus
Thyroid
Gonads
5
Q

What are some secondary endocrine glands

A

Heart
Liver
Kidneys
Stomach

6
Q

What are the factors that control hormone concentration in the blood

A

Rate of hormone secretion
Amount of hormone transported bound to carrier proteins
Rate at which hormone is metabolized

7
Q

When blood glucose is high what happens?

A

High glucose sensed by pancreas
Insulin released
Cells increase glucose uptake
Blood glucose decreases

8
Q

What hormone is released when blood glucose is low?

A

Glucagon

9
Q

What is a negative feedback loop

A

If a regulated variable changes, the system will take measures to get that variable back to normal

10
Q

What a positive feedback loop

A

If a regulated variable changes, the system takes measures that will increase the response