brain is divided into 3 parts, cerebrum, cerebellum, brain stem.
CEREBRUM:
its surface has gyri(ridges) and sulcus (grooves) known as convulutions
which makes the large surface of the brain to fit in the head.
divided into parts the right and left hemisphere
it has 4 lobes:
1. frontal: motor, speech
2.parietal: sense perception, taste, speech
3.occipital: vision
4.temporal:emotions , hearing
insula- known to be as 5th lobe
- not seen
- coordinate autonomic functions
CEREBRUM:
- divided through cerebrum by transverse fissure
- sensory , motor coordination and balance
- also known as little brain
BRAiN STEM:
~receives sensory information
divided into 3 sections:
- medulla oblongata: impulses, heartbeat, breathing cardiovascular system, blood pressure
- pons: breathing
- midbrain: two-way conduction pathway, visual and auditory impulses
DiENCEPHALON
~section of the brain that is not visible from the exterior
divided into 4:
1.Thalamus-processes info. coming from the cerebrum
2.Hypothalamus- regulates hormone levels
3.Pineal Body- secretion of melatonin
4.Pituitary Gland-secretes hormones.
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