33 Science -- Human Nervous and Glandular System

Write the major function of each.

Write the major function of each.

a.    Cerebrum:
    - It governs the mental abilities (thinking, learning).
    - It enables sense organs to observe things.
b.    Corpus callosum:
    - It transmit info from one to other hemisphere of cerebrum.
c.    Cerebellum:
    - It maintain equilibrium and maintains posture.
    - It regulates and coordinates the contraction of voluntary muscles.
d.    Pons varolii:
    - It transmit signal to and from cerebrum from and to cerebellum.
    - It regulates respiration.
e.    Medulla oblongate:
    - It controls breathing, blood pressure, heart beat.
    - It controls contraction and relaxation of blood vessels.
f.    Spinal cord:
    - It connects large part of peripheral nervous system to the brain.
    - It controls reflex actions.
g.    Pituitary gland:
    - It controls the secretion of other glands.
h.    Thyroid gland:
    - It stimulates the rate of metabolism.
    - It regulates the activities of the nervous system.
i.    Adrenal gland:
    - It helps body to face emergy conditions.
    - It enables kidneys to retain sodium.
j.    Pancreas:
    - It secrets insulin which regulates blood sugar level by regulating the conversion of glucose to hydrogen.
    - It also stimulates the deposition of extra glucose in the form of hydrogen in liver and muscle.
k.    Ovaries:
    - It produces oestrogen that determine the secondary sexual characterstics.
    - It produces progesterone that plays an important role in ovulation.
l.    Testes.
    - It produce testosterone that determine the secondary sexual characteristics.
    - It produces sperm that has role in ovulation.

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