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HaneyNervous1
Question | Answer |
---|---|
The central nervous system (CNS) contains | brain and spinal cord |
The peripheral nervous system (PNS) contains | cranial nerves and spinal nerves |
What are the 3 parts of a neuron | Dendrites, Cell Body, Axon |
What is the function of dendrites | conduct impulses to the cell body of neurons |
What is the function of axons | conduct impulses away from cell body of neurons |
What are the 3 types of neurons | sensory, motor, interneuron |
Sensory neurons are responsible for | transmitting impulses to the spinal cord and brain from all parts of the body |
Motor neurons are responsible for | transmitting impulses in the opposite direction or away from spinal cord and brain |
Interneurons conduct impulses | from sensory neurons to motor neurons |
What type of cell is a supporting cell of the nervous system | Glia |
What type of glia cell act as microbe-eatiung scavengers in inflamed or degenerative brain tissue | Microglia |
What are the 3 parts of the brainstem | medulla oblongata, pons, and midbrain |
What is the function of the cerebellum | helps control muscle contractions; maintain balance, move smoothly, and sustain normal posture |
What is the function of the hypothalamus | controls hormones secretion by anterior and posterior pituitary gland; controls body temp, appetite, wakefulness, and pleasure |
What is the function of the thalamus | emotions of pleasantness or unpleasantness |
What is the function of the cerebrum | responsible for mental processes, sensations, consciousness, memory, and voluntary movements |
Ridges of the brian are called | gyri |
There are how many spinal nerves | 31 |
What are the 4 lobes of the brain | frontal, temporal, parietal, and occipital |
How many pairs of cranial nerves are there | 12 pair |