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7 Cards in this Set
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- Back
- 3rd side (hint)
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Define neuron |
All the control functions of the nervous system must be carried out by a group of cells called neurons. Bizarre looking with many branches. |
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Define cerebrum |
One of the 3 major parts of brain. Convolutions on the surface increase the surface area of brain but allows it to be folded into a smaller place. |
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Define medulla oblangata |
Responsible for impulses that control heartbeat, breathing and the muscle tone in blood vessels which controls blood pressure. |
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Define diencephalon |
Part of brain not visible from exterior. Contains the thalamus, hypothalamus, pineal body and pituitary gland. |
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What are the diencephalons functions? |
Thalamus- relays and processes info going to the cerebellum Hypothalamus- regulates hormone levels, temperature, water-balance, thirst, appetite and some emotions; regulates the pituitary gland and controls the endocrine system. Pineal Body- responsible for secretion of melatonin (body clock) Pituitary Gland- secretes hormones for various functions.
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Triple A Rule; arteries away always |
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What's the difference between arteries and veins? |
• Arteries take blood from the heart and veins bring blood to the heart. • Arteries blood is usually oxygenated and veins in usually deoxygenated. • Arteries have think walls and burns have thin walls. • Arteries have no valves and veins have valves. Arteries have high pressure and veins have low pressure. |
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What are the 4 lobes of the brain? |
Frontal lobes- motor activities, conscious thoughts, speech, personality and impulsiveness Parietal lobes- body sense, perception and speech Occipital lobes- vision Temporal lobes- hearing, taste and integration of emotions |
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