Transporting materials 2

What is the function of the respiratory system?

• To pump blood through the body

• To move gases between the body and the environment

• To carry blood around the body

• To remove carbon dioxide from the body

What happens when you inhale?

• The diaphragm relaxes and moves upward

• Oxygen in the air enters your lungs

• The heart pumps blood through the body

• Carbon dioxide leaves the body

How many chambers does the human heart have?

• 4 atria and 4 ventricles

• 2 atria and 2 ventricles

• 3 atria and 3 ventricles

• 1 atrium and 1 ventricle

What type of blood vessels carry blood high in oxygen and nutrients away from the heart to all the organs in the body?

• Veins

• Capillaries

• Arteries

• Muscles

What is the function of veins?

• To move gases between the body and the environment

• To carry blood at a lower pressure

• To carry blood high in oxygen and nutrients away from the heart

• To pump blood through the body

What is the pressure in arteries?

• Medium

• No pressure

• High

• Low

What is the function of the diaphragm?

• To help with breathing by contracting and relaxing

• To move gases between the body and the environment

• To pump blood through the body

• To remove carbon dioxide from the body

What is the function of the heart?

• To move gases between the body and the environment

• To carry blood around the body

• To remove carbon dioxide from the body

• To pump blood through the body

What is the movement of oxygen into and carbon dioxide out of the body called?

• Circulation

• Respiration

• Excretion

• Digestion

What is the harmful gas that needs to be removed from the body?

• Oxygen

• Nitrogen

• Hydrogen

• Carbon dioxide