Question

Solves this quick please. 1. The human nervous system is made up of billions of cells called ________________
2. The nervous system is divided into two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS).
(a) The central nervous system (CNS) is made up of the: ___________________________________________________________________________ c
(b) What is the role of peripheral nervous system (PNS)?
___________________________________________________________________________
_ _________________________________________________________________________
___________________________________________________________________________
3. Name the three main parts of the brain.
1. ___________ 2. ____________ 3. _____________
4. What is the band of nerve fibers called that connect the two hemispheres of the brain? ______________________________________________________________________
5. The right hemisphere controls the right side of the body. a. True b. False
6. The part of the brain that coordinates muscular movements with sensory information and helps maintain your body’s sense of balance is the:
a. cerebrum b. cerebellum c. thalamus
8. The brain controls actions that you choose to do. Give two examples of voluntary
actions.
1. ____________________________ 2. _____________________
9. The brain also automatically controls actions without being told. Give two examples of
involuntary actions.
1. __________________________2. ____________________
10. Neurons send messages across the body. Name the three basic parts of a neuron.
1. ________________ 2. _________________ 3. ______________________
11. The peripheral nervous system sometimes acts by itself without signaling the brain. These reactions are called ________________________

Answer 1

Answer:

1 : nervous or nerve cells .2: the brain and spinal cord . 3: Cerberus , brainstem and cerebullem. 4: