Yr. 8 Body Systems Quiz

Which organ is primarily responsible for the exchange of gases in the respiratory system?

• Heart

• Lungs

• Liver

• Kidneys

What is the main function of the circulatory system?

• To break down food

• To transport oxygen and nutrients to cells

• To remove waste products from the body

• To produce hormones

Which part of the digestive system is responsible for absorbing nutrients?

• Stomach

• Small intestine

• Large intestine

• Oesophagus

What is the primary muscle involved in the process of breathing?

• Biceps

• Diaphragm

• Triceps

• Quadriceps

Which blood vessels carry blood away from the heart?

• Veins

• Arteries

• Capillaries

• Venules

What enzyme in the saliva breaks down starch into sugars?

• Pepsin

• Amylase

• Lipase

• Protease

Tags

NGSS.MS-LS1-7

What is the name of the tiny air sacs in the lungs where gas exchange occurs?

• Bronchi

• Alveoli

• Trachea

• Bronchioles

Which component of blood is responsible for clotting?

• Red blood cells

• White blood cells

• Platelets

• Plasma

What is the role of the stomach in the digestive system?

• Absorb nutrients

• Produce bile

• Break down food using acid and enzymes

• Transport food to the small intestine

Which gas is exhaled in large amounts during respiration?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen