Ks3 Health And Fitness Key Words

Health and Fitness

Anaerobic

Releasing energy from the breakdown of glucose without oxygen, producing lactic acid (in animals) and ethanol and carbon dioxide

Antagonistic Muscles

Muscles working in unison to create movement.

Aerobic

Breaking down glucose with oxygen to release energy and producing carbon dioxide and water.

Biceps

An example of an antagonistic muscle pair when with the triceps.

Blood

A liquid that transports oxygen, dissolved substances and heat around the body.

Cartilage

Smooth tissue found at the end of bones, which reduces friction between them.

Contract

When muscles are working, and they get shorter in length.

Ligaments

Connect bones in joints.

Lung Capacity

Measure of the amount of air breathed in or out.

Neurons

A type of specialised cells which transmit electrical impulses.

Peak Flow

A measure of how quickly you can blow out of your lungs.

Reaction Time

The length of time taken for a person to respond to a stimulus.

Respiration

Breaking down glucose with oxygen to release energy and producing carbon dioxide and water.

Stimulus

A thing/event that the body reacts to.

Tendons

Connect muscles to bones.

Triceps

An example of an antagonistic muscle pair when with the biceps.