Main Parts Of The Brain

Question 1

Cerebrum

Answer 1

• grey matter and white matter in its centre
• largest part of the brain
• initiates and coordinates movement and regulates temperature
• other areas enable speech, judgment, thinking, reasoning, problem solving, emotions, and learning
• others relate to vision, hearing, touch, and other senses

Question 2

Cerebral cortex

Answer 2

• The outer gray matter covering the cerebrum
• covered ridges in brain (gyri) & folds in brain (sulci)
• 2 hemispheres; left & right
• Right hemisphere: controls left side
• Left hemisphere: controls right side
• the 2 half’s communicate with one another through corpus callosum

Question 3

Midbrain

Answer 3

• complex structure w many neutron clusters, neural pathways, and other structures
• these facilitate many functions such as hearing, movement, calculating responses and environmental changes

Question 4

Pons

Answer 4

• origin for the 12 cranial nerves

Question 5

Medulla

Answer 5

• where the brain meets the spinal cord
• essential for survival
• regulate many bodily activities, including heart rhythm, breathing, blood flow, O2 & CO2 levels
• produces reflexes such as sneezing, vomiting, coughing, and swallowing

Question 6

Brainstem

Answer 6

• Connects the cerebrum with the spinal cord.
• Includes: midbrain, pons, medulla

Question 7

Cerebellum

Answer 7

• fist sized portion of the brain
• has 2 hemispheres
• outer portion contains neutrons, inner area communicates with the cerebral cortex
• functions: coordinate voluntary muscle movement, maintain posture & balance