Circulatory System Quiz

What are the main parts of the circulatory system?

• Heart, blood, and blood vessels

• Lungs, stomach, and intestines

• Brain, nerves, and muscles

• Skin, bones, and joints

What is the main function of the circulatory system?

• To transport nutrients, gases, and waste in the blood

• To help us breathe

• To digest food

• To control movement

Which type of blood vessel carries blood away from the heart?

• Arteries

• Veins

• Capillaries

• Nerves

What do capillaries allow to pass into body cells?

• Oxygen and nutrients

• Water and salt

• Vitamins and minerals

• Proteins and fats

How many litres of blood do we have in our body?

• Five litres

• Two litres

• Ten litres

• One litre

What is the clear liquid in which blood cells are found called?

• Plasma

• Water

• Serum

• Oil

Which blood cells carry oxygen from the lungs to all body cells?

• Red blood cells

• White blood cells

• Platelets

• Plasma cells

What is the function of white blood cells?

• Protect us from germs

• Carry oxygen

• Repair blood vessels

• Transport nutrients

What do platelets do in the blood?

• Repair blood vessels and help to stop bleeding

• Carry oxygen

• Protect from germs

• Transport nutrients

How does plasma help the body?

• Transports nutrients and waste products

• Repairs blood vessels

• Protects from germs

• Carries oxygen