Structure and function of the brain

Question 1

What is the brain responsible for?

Answer 1

• processing all the information collected by receptor cells about changes in the internal and external environment
• als receives and process information for the hormonal system through molecules in the blood
• it must then produce a coordinated response

Question 2

What is the advantage of having a central control centre for the whole body?

Answer 2

• communication between the billions of neurones involved is much faster than if control centres for different function were distributed around the body
  
  • with the exception of relex actions, all other nervous reaction are processed by the brain

Question 3

What is the brain surrounded by?

Answer 3

• protected by the skull
• surrounded by protective membranes
  
  • called meninges

Question 4

name the black tings

Answer 4

1. skull
2. cerebrum
3. corpus callosum
4. hypthalmus
5. cerebellum

Question 5

name the red tings

Answer 5

1. medulla oblongata
2. spinal cord
3. vertebra
4. pituitary gland

Question 6

What is the function of the cerebrum?

Answer 6

• controls voluntary actions
• e.g. learning, memory, personality, and conscious thought

Question 7

What is the function of the cerebellum?

Answer 7

• controls unconscious functions
• such as posture, balance, and non-voluntary movement

Question 8

What is the medulla oblongata?

Answer 8

• used in autonomic control
• e.g. controls heart rate and breathing rate

Question 9

What is the hypothalmus?

Answer 9

• regulatory centre for temp and water balance

Question 10

What is the pituitary gland?

Answer 10

• stores and releases hormones that regulate many body functions