Science 8 Definitions 'a'

Front 1

Adaptation

Back 1

How used to they are in the environment .

Front 2

Alveoli

Back 2

This is where gas - exchange happens .Tiny air sacs in the lungs

Front 3

Amplitude

Back 3

Height of a wave from its middle rest positions to its highest point .

Front 4

Angle of Incidence

Back 4

Angle between the incident ray and the normal

Front 5

Angle of reflection

Back 5

Angle between the reflected ray and the normal .

Front 6

Aorta

Back 6

Large Arteries carrying blood from the left ventricle to the body

Front 7

Aperture

Back 7

Hole or opening in a camera that lets in light

Front 8

Aqueous solution

Back 8

solution in which water is the solvent

Front 9

Arteries

Back 9

thick - walled blood vessels that take blood away from the heart to the rest of the body

Front 10

Atherosclerosis

Back 10

Cholesterol build up on the walls of arteries

Front 11

Atria

Back 11

Upper chambers of the heart that receive blood from the body and lungs

Front 12

Autonomic nervous system

Back 12

division of the peripheral nervous system that controls automatic response in the body , such as heart rate

Front 13

Axon

Back 13

long extension of a neuron ' s cell body that transmits information to neighbouring cells