Neural control and coordination

Question 1

2 types of peripheral nerves

Answer 1

• All the nerves arising from brain and spinal cord are included in
  peripheral nervous system.
• Nerves arising from brain are called cranial nerves, and nerves
  coming out of spinal cord are called spinal nerves.
• In humans, 12 pairs of cranial nerves and 31 pairs of spinal nerves
  are present.

Question 2

functions of the autonomic nervous sytem

Answer 2

System which automatically regulates the
activities of involuntary smooth muscles, cardiac muscles and glands which
are not under the control of our will is called ANS.
*Significance of ANS → It plays an important role in maintaining the
constant internal environment (homeostasis).
*Divisions of ANS-
1.Sympathetic NS- Fear, Fight or Flight
2.Parasympathetic NS- Rest or Digest
*Sympathetic and Parasympathetic nervous system are antagonistic to each
other. Both help in maintaining the constant internal environment