The cerebrum is the largest part of the human brain and consists of two hemispheres divided into four lobes. It is important for functions like memory, learning, emotions. The cerebellum is located behind the brainstem and helps with muscle tone, balance, and coordinated movement. The medulla oblongata is the lowest part of the brainstem and controls involuntary functions such as breathing and heart rate. The hypothalamus is located below the thalamus and cerebrum and regulates processes including body temperature, thirst, hunger and sexual function.
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Cerebrum, Cerebellum, Medulla Oblongata and Hypothalamus
1.
2. Cerebrum
• The largest part of the human brain. It has two
cerebral hemispheres, which are in the
forebrain. These hemispheres have an outer
layer of grey-matter – the cerebral coretx – and
an inner layer of white-matter.
• The two halves are linked by the corpus
callosum. Each hemisphere of the cerebrum is
divided into four lobes, which you can see from
the outside. They are the frontal, parietal,
occipital, and temporal lobes.
• The cerebrum is important for memory,
learning, emotions, and other highly complex
functions of the central nervous system.
3. Cerebellum
• A part of the brain (sometimes called the "little brain") concerned with the movement of muscle. The
cerebellum is essential for muscle tone, balance, posture, the control of activity in groups of muscles and
in helping muscules move together. It is the largest part of the hindbrain and accounts for about 11
percent of the brain's total mass.
Structure of the cerebellum
The cerebellum is a rounded structure, similar to the cerebrum. It is located behind the brainstem and
connected to it by thick nerve tracts. The cerebellum consists of two hemispheres.
Function of the cerebellum
Via its connections to the brainstem, the cerebellum receives information from organs such as muscle
tendons and the balance organ of the inner ear. Much of this information concerns the body's posture
and the state of contraction or relaxation of its muscles. Using this information, the cerebellum, working
with other parts of the brain, fine-tunes the orders it sends to muscles from inside the cerebrum, resulting
in smoothly coordinated movements and balance.
4. Medulla Oblongata
• The lowest part of the brainstem.
The medulla oblongata looks like a
swelling at the tip of the spinal cord;
it is connected with the spinal cord.
The medulla oblongata controls the
reflex responses that control
breathing, heart beat, blood
pressure, and other essential
involuntary functions. It also
contains part of the reticular
formation that plays a role in arousal
states, such as wakefulness and
attention.
5. Hypothalamus
• A part of the brain that is in the
forebrain; it is located below the
thalamus and the cerebrum. The
hypothalamus contains several
important centers which control
body temperature, thirst, hunger,
water balance, and sexual function.
It is also closely connected with
emotional activity and sleep, and
works with the pituitary gland.
6. Match the parts
• Cerebellum • Control breathing,heart beat.
• Cerebrum • Controls body temp,thirst, hunger.
• Medulla Oblongata • Important for memory and learning.
• Hypothalamus • Important for balance and
movement.