3.1. Divisions of the Nervous System and Parts of the Brain Flashcards Preview

Higher Human Biology > 3.1. Divisions of the Nervous System and Parts of the Brain > Flashcards

Flashcards in 3.1. Divisions of the Nervous System and Parts of the Brain Deck (18)
Loading flashcards...
1
Q

What does CNS stand for?

A

Central Nervous System

2
Q

What does PNS stand for?

A

Peripheral Nervous System

3
Q

What does the CNS consist of?

A

The brain and spinal cord.

4
Q

What does the PNS consist of?

A

Peripheral nerves.

5
Q

What is the function of the brain?

A

Processes information.

6
Q

What is the function of the spinal cord?

A

Connects the brain to the PNS.

7
Q

What is the function of the peripheral nerves?

A

Carries information to and from the body.

8
Q

What can the PNS be split into?

A

The somatic nervous system and the autonomic nervous system.

9
Q

What does the somatic nervous system control?

A

Voluntary actions.

10
Q

What does the autonomic nervous system control?

A

Involuntary actions.

11
Q

What is the autonomic nervous system comprised of?

A

Sympathetic and parasympathetic nerves.

12
Q

What do sympathetic nerves do?

A

Increase heart and breathing rate and decreases digestive processes.

13
Q

What do parasympathetic nerves do?

A

Decrease heart and breathing rates and increase digestive processes.

14
Q

What does the cerebral cortex do?

A

Receives sensory information, co-ordinates voluntary movements, makes decisions, anything involved in intelligence like imagination, abstract thought, understanding, communication etc.

15
Q

What does the limbic system do?

A

Supports functions like long-term memory, emotion, behaviour and motivation.

16
Q

What does the cerebellum do?

A

Controls balance and coordination.

17
Q

What does the medulla do?

A

Controls involuntary responses.

18
Q

What is the corpus callosum and what does it do?

A

It is the part of the brain which holds the two hemispheres together. It facilitates the transfer of information between the hemispheres.