homeostasis & hormones Flashcards
1
Q
what is homeostasis?
A
The presence of a stable internal environment
2
Q
what are hormones?
A
True hormones are chemical messengers produced in one location and transported via the bloodstream to a second location (target cells) where they cause a response in those cells
2
Q
what are hormones?
A
True hormones are chemical messengers produced in one location and transported via the bloodstream to a second location (target cells) where they cause a response in those cells
3
Q
what can hormones affect specifically?
A
A hormone can only affect cells with specific receptors for that hormone.
4
Q
what is each receptor?
A
- Each receptor is a protein.
- It can be in the target cell membrane or inside the target cell
