Page 81 - Life Insurance underwriting Ebook IC 22

 Vision. hearing, touch
Speech, language
 Motor control (fine and gross) / coordination
 V Emotions ("limbic system" or the "emotional brain")

b) Cerebellum

It sits below the cerebrum. The cerebellum has an outer cortex of gray matter
also has two hemispheres. It receives/relays information via the brain stern
major functions of the cerebellum include
 Balance Equilibrium of the trunk
 Muscle tension, spinal nerve reflexes, posture and balance of the limbs
 Fine motor control, eve movement

c) Thalamus and Hypothalamus

Thalamus and Hypothalamus are located between the cerebrum and the
midbrain-_

 Thalamus
 Hypothalamus

d) Brain stern

2.2 Spinal cord

The Spinal cord lies within the spinal cavity, consisting of the vertebral column,
the meanings, spinal nerves, spinal fluid and blood vessels.

3. Learn about the main components of the peripheral nervous system.

Main components of the Peripheral Nervous System

a) Automatic Nervous System
It is that part of PNS consisting of motor neurons that control internal organs.
The autonomic system controls muscles in the heart, the smooth muscle in
internal organs such as the intestine, bladder, and uterus.

b) Somatic Nervous System
It includes all nerves controlling the muscular system and external sense
receptors. External sense organs (including skin) are receptors. Sensory input
from the PNS is processed by the CNS and responses are sent by the PNS
CNS to the organs of the body.

c) Cerebra Spinal Fluid (CSF) and the meninges

Meninges together with the cerebrospinal fluid provide the brain with its
protection.

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