AQA GCSE Physical Education key terms

The maintenance of the body's centre of mass over its base of support.

A diet containing a variety of foods that provides the nutrients the body needs and an appropriate amount of energy for its activity.

A freely movable joint that allows movement in several directions, including rotation.

An order preventing an individual from attending specified sporting events; it may also involve restrictions connected with travel.

A graph that compares categories using separate bars whose heights represent numerical values.

A recorded starting level against which later results can be compared.

A skill that is quickly learned because very few decisions are needed when performing it.

A medicine that reduces the effects of adrenaline on the body and can lower heart rate, muscle tension and blood pressure.

The muscle at the front of the upper arm that bends the arm at the elbow.

A prohibited method in which blood is removed, stored and later re-injected to increase the number of red blood cells and improve oxygen delivery.

The pressure exerted by circulating blood on the walls of blood vessels.

Soft tissue inside bones; red bone marrow produces blood cells.

A low resting heart rate, which can develop as an adaptation to regular exercise.

The number of breaths taken per minute.

The number of breaths taken in one minute.

Permission to broadcast an event, which a media company may purchase from its organisers.

A small airway that branches from a bronchus and carries air towards the alveoli.

One of the two tubes that branch from the trachea, with one entering each lung.

A small fluid-filled sac near a joint that cushions tissues and reduces friction during movement. The plural is bursae.

A unit used to measure energy obtained from food. Food calories are usually expressed as kilocalories, written as Kcal in this topic and commonly as kcal on food labels.

A very small blood vessel linking the arterial and venous sides of circulation, where substances are exchanged between blood and surrounding tissues.

A nutrient that is the main and preferred energy source for all types of exercise, at all intensities.

All the events taking place in the heart during one heartbeat, including relaxation, filling and contraction.

The volume of blood pumped out of the heart each minute: $\text{cardiac output} = \text{heart rate} \times \text{stroke volume}$.

The ability of the heart and lungs to supply oxygen to working muscles so that physical activity can continue for a prolonged period; also called stamina.

Strong connective tissue covering the ends of bones at a joint, reducing friction and absorbing shock.

The space within the rib cage containing the lungs and heart. Its volume changes during breathing.