Unit4- 5.2~ Structure and function of brain

Question 1

What components make up the brain?

Answer 1

• cerebral cortex
• cerebellum
• frontal lobes
• corpus callosum
• hypothalamus
• medulla

Question 2

What is the role of the cerebral cortex?

Answer 2

The outer surface of the brain, is associated with higher level proccesses like:
* Consciousness
* Thr=ought
* Reasoning
* Language
* memory

Question 3

What is the role of the hypothalamus?

Answer 3

• Is a gland that controls the hormone system
• It releases hormones to another part of the brain called the pituitary gland which sends hormones out to your different organs

Question 5

What is the role of the cerebellum?

Answer 5

• Responsible for coordinating voluntary movements. Also for a nb of functions like motor skills such as balance, coordination, posture
• It recieves information from other regions of the brain & nervous system. The information is used to coordinate and control voluntary movements

Question 6

What is the role of the medulla?

Answer 6

Transmitts signals between the spinal cord and higher parts of brain and in controlling autonomic activities like heartbeat, respiration

Question 7

What is the role of the frontal lobe?

Answer 7

Is part of the brain that controls cognitive skills like:
* Emomtional expression
* Problem solving
* Memory
* Language
* Judgement
* Sexual behaviours

Question 8

What is the role of the corpus callosum?

Answer 8

• Sits in the centre of the brain, shaped like a C, 10m in length
• It connects the left side of the brain to the right side, each side known as hemisphere. The connection allows information to pass through between the 2.

Question 9

What is the role of the meninges?

Answer 9

It protects the CNS from trauma injury to brain like a blow to the head by acting as a shock absorber. They anchor the CNS and keep the brain from moving around within the skull