the brain Flashcards
1
Q
structure of the cerebrum
A
- largest part of the brain
- divided into 2 cerebral hemispheres
- thin outer layer highly folded = cerebral cortex
2
Q
function of the cerebrum
A
- vision
- hearing
- learning
- thinking
3
Q
location of the hypothalamus
A
beneath middle part
4
Q
function of hypothalamus
A
- maintains normal body temp
- produces hormones to control pituitary gland
5
Q
location of medulla oblongata
A
base of brain at top of spinal cord
6
Q
function of medulla oblongata
A
automatically controls breathing & heart rate
7
Q
location of cerebellum
A
underneath cerebrum with folded cortex
8
Q
function of cerebellum
A
- muscle coordination
- posture
- balance
9
Q
location of pituitary gland
A
beneath hypothalamus
10
Q
function of pituitary gland
A
- releases hormones
- stimulates other glands
11
Q
what is a reflex?
A
a rapid, automated response
12
Q
describe a reflex arc
A
- made of 3 neurones
- no conscious decision involved
- rapid & prevents brain being overloaded with situations to decide responses to
- synapses slow down as electrical energy is converted to chemical
13
Q
give 2 examples of reflex arcs
A
- knee jerk
- blinking
14
Q
explain 2 conclusions that can be drawn from a figure showing a reflex response (2)
A
- reflex response
- involves few neurones
- involuntary
- isn’t involved with conscious decision making
