The Nervous System Flashcards
1
Q
Central nervous system
A
Brain and spinal cord
2
Q
Peripheral nervous system
A
Nerves that carry messages between cells and the rest of the body
3
Q
Cerebrum
A
Conscious thoughts and voluntary actions
4
Q
Cerebellum
A
Balance
5
Q
Medulla oblongata
A
Involuntary actions such as breathing
6
Q
Hypothalamus
A
Homeostasis
7
Q
Pituitary gland
A
Secretion of hormones
8
Q
White matter
A
Axons
9
Q
Grey matter
A
Cell bodies and dendrites
10
Q
Reflex action
A
Message sent along sensory neuron to spinal cord
Splits in two
Motor neuron sends message to muscles to contract and pull away
We feel pain
11
Q
Interneuron
A
Between sensory and motor
12
Q
Receptor
A
Detects stimulus
13
Q
Nerve endings
A
Connect sensory neurons to receptor cells
14
Q
Myelin sheath
A
Speeds up an impulse
15
Q
Dendrites
A
Carry impulses towards cell body
