When there is a negative charge inside an axon and a positive charge
outside it, the neuron is

a. in the process of reuptake.
b. said to have an action potential.
c. depolarizing.
d. said to have a resting potential.
e. not in the refractory period.

1 digestive system

2 stomach

3 bladder

4 carbon deoxide

5 tiger

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.