Edexcel GCSE PE - Cardio-respiratory system - Lungs

Define inspiration

• breathing in

• breathing out

• the greatest amount of air that can be made by the most forceful inspiration and expiration.

• the amount of air inspired and expired with each normal breath at rest or exercise.

Define expiration

• breathing in

• breathing out

• the greatest amount of air that can be made by the most forceful inspiration and expiration.

• the amount of air inspired and expired with each normal breath at rest or exercise.

Define vital capacity

• breathing in

• breathing out

• the greatest amount of air that can be made by the most forceful inspiration and expiration.

• the amount of air inspired and expired with each normal breath at rest or exercise.

Define tidal volume

• breathing in

• breathing out

• the greatest amount of air that can be made by the most forceful inspiration and expiration.

• the amount of air inspired and expired with each normal breath at rest or exercise.

Define diaphragm

• tiny sacs at the end of the bronchioles, where gas exchange takes place.

• tube along which air passes from the trachea into the lungs.

• the tube that takes air into the chest, also known as the windpipe.

• the primary muscle used in the process of inspiration. A dome-shaped sheet of muscle that separates the chest from the rest of the body cavity.

Define bronchus

• tiny sacs at the end of the bronchioles, where gas exchange takes place.

• tube along which air passes from the trachea into the lungs.

• the tube that takes air into the chest, also known as the windpipe.

• the primary muscle used in the process of inspiration. A dome-shaped sheet of muscle that separates the chest from the rest of the body cavity.

Define trachea

• tiny sacs at the end of the bronchioles, where gas exchange takes place.

• tube along which air passes from the trachea into the lungs.

• the tube that takes air into the chest, also known as the windpipe.

• the primary muscle used in the process of inspiration. A dome-shaped sheet of muscle that separates the chest from the rest of the body cavity.

Define alveoli

• tiny sacs at the end of the bronchioles, where gas exchange takes place.

• tube along which air passes from the trachea into the lungs.

• the tube that takes air into the chest, also known as the windpipe.

• the primary muscle used in the process of inspiration. A dome-shaped sheet of muscle that separates the chest from the rest of the body cavity.

During exercise...

• Tidal volume and vital capacity increase.

• Tidal volume and vital capacity decrease.

• Tidal volume increases and vital capacity stays the same.

• Tidal volume decreases and vital capacity increases.

Define oxygen debt

• The amount of oxygen needed at the end of a physical activity to breakdown any lactic acid.

• working at a high intensity without oxygen

• The volume of oxygen an athlete can consume while exercising at maximum capacity.

• a major source of energy for most cells in the body.