i need help on these questions relating to the structure and functions of the neurons?

Question

i need help. my book doesn't have this information. i really appreciate it.

1. 2 kinds of fibers extend from the somas of many neurons: one long ___ and many short bushy ___.

2. the __ of a neuron is the large spherical structure that contains its genetic material.

3. __ potentials are conducted nondecrementally.

4. the process of neurotransmitter release is called __.

5. neurotransmitter molecules are often stored in synaptic __ near the presynaptic membrane.

6. together the dendrites and cell body are referred to as the __ area of a neuron.

7. action potentials are generated as the axon __.

8. each synapse is sandwiched between __ membrane and a __ membrane.

9. neurotransmitter molecules, once released, diffuse across the __.

10. prominent in the cytoplasm of the cell body is a system of plate-shaped membranous sacs, much of which has a rough appearance. this structure is called ___ ___.

11. neurotransmitter molecules bind in a key-in-lock fashion to postsynaptic ___.

Answer 1

1. axon, dendrites
2. nucleus
3. action
4. neurotransmission? secretion? not sure what they want
5. vessicles
6. ??
7. depolarizes
8. presynaptic, postsynaptic
9. synapse (or synaptic cleft)
10. endoplasmic reticulum
11. receptors

Answer 2

1. ribosomes 3. saltatory 7. ion channel Im not sure for 3 and 7.