Homeostasis and response Flashcards
1
Q
Define homeostasis
A
The regulation of the internal conditions of the body.
- maintains optimal conditions for enzyme action and cell function
2
Q
When you’re hot S V H
A
Some
Ventilation
Helps
Sweat . Vasodilation. Hairs lie flat
3
Q
When you’re cold C S H
A
Constriction of blood vessels. Shivering. Hairs stand on end.
4
Q
Where is auxin produced
A
At the roots tips and shoots
5
Q
What does auxin do
A
It triggers cell growth
6
Q
Where does light make auxin concentrate
A
It makes auxin concentrate on the darker side
Auxin spreads down the shoot
Cells on the darker side grow faster than cells on the light side
Shoot grows towards light
