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8 terms

Parts of the Brain

Parts of the brain 9th grade Biology
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Cerebrum
Largest part of the brain; composed of hemispheres. Controls conscious activities--intelligence, memory, emotions, voluntary muscle movement, personality
Corpus Callosum
Connects right and left cerebral hemispheres and maintains communication between them
Cerebellum
Located in the back of the brain. Regulates posture, balance, muscle tone; coordinates voluntary muscle movement
Brain Stem
Composed of the pons, midbrain and medulla oblongata. Pons and midbrain act as pathways to different parts of the brain. The medulla oblongata controls involuntary activities such as breathing, heart rate, blood pressure
Thalamus
Main site of sensory processing
Hypothalamus
Controls many activities relating to homeostasis such as body temperature, breathing rate, feeling of thirts, hunger. Works with the medulla oblongata
Pituitary Gland
"Master Gland", releases hormones that regulate other endocrine glands
Pineal Gland
Light-sensitive gland that regulates daily biorhythms and reproductive cycles