L2 - Homeostasis Flashcards
1
Q
what is the function of excitable tissues
A
they can generate and propagate action potentials
2
Q
what is a key element of homeostasis
A
composition of body fluids
3
Q
how many body systems are there
A
11
4
Q
what does negative feedback do
A
acts to counteract the change in the controlled variable
5
Q
what does positive feedback do
A
it reinforces the change in the controlled variable
6
Q
what does the plasma membrane do
A
controls passage of materials
7
Q
where does ribosomal RNA synthesis occur
A
nucleolus
8
Q
what does the golgi apparatus do
A
it processes and packages molecules into vesicles for transport
9
Q
what does the mitochondrion do
A
energy production from glucose
generates ATP
