Brain & Nervous System Flashcards Preview

S3 Biology > Brain & Nervous System > Flashcards

Flashcards in Brain & Nervous System Deck (17)
Loading flashcards...
1

Name the part of the brain involved in balance and co-ordination.

Cerebellum

2

Name the part of the brain involved in controlling heart rate and breathing.

Medulla

3

Name the part of the brain that controls conscious thoughts, personality and memory.

Cerebrum

4

Name the 2 parts of the nervous system.

Central nervous system and nerves

5

Name the 2 parts of the central nervous system

Brain and spinal cord

6

What name is given to the change in the environment that brings about the response?

Stimulus

7

What detects the stimulus?

Receptors

8

Where does the sensory neuron transport signals from and to?

From the receptors to the CNS

9

Where does the motor neuron transport signals from and to?

CNS to the effector

10

Name the three types of nerve in the correct order.

Sensory - inter - motor

11

How do signals travel through nerves?

electricity

12

What do we call the gaps between nerve cells?

Synapses

13

How do signals travel across synapses?

Chemicals

14

Name 2 responses of the body if it is too hot.

Sweating, vasodilation,

15

Name 2 responses of the body if the body is too cold.

Vasoconstriction, shivering, hairs stand up on end.

16

How are reflex actions different to conscious thoughts?

They do not initially involve the brain

17

What is the purpose of reflex actions?

Protection