Breathing, respiration and blood

Which two substances are required for respiration

• glucose and water

• water and hydrogen

• sugar and carbon dioxide

• glucose and oxygen

Why do we do respiration?

• to get oxygen

• to get energy

• to get glucose

• to get muscles

Which kind of blood cell carry oxygen

• red

• white

Which component of blood fights disease?

• red cells

• plasma

• platelets

• white cells

When you breathe in, which part moves down?

• ribs

• diaphragm

What is the tube from the mouth to the lungs called?

• the trachea

• the bronchiole

• the alveolus

What does plasma do?

• carry oxygen

• carry nutrients and waste products

• fight disease

Which are the smallest blood vessel?

• arteries

• veins

• capillaries

Why does your heart rate increase after exercise?

• so you can breathe more

• to get more oxygen to your muscles

• to get more carbon dioxide to your muscles

• to increase your stamina

What type of blood vessel can you feel your pulse in?

• an artery

• a vein

• a capillary