Human Body and Plant Functions Quiz

What is the main function of the heart in the human body?

• To digest food

• To pump blood

• To control the brain

• To produce oxygen

Which organ is responsible for filtering waste from the blood?

• Liver

• Kidneys

• Stomach

• Lungs

What gas do humans breathe in to survive?

• Nitrogen

• Carbon dioxide

• Oxygen

• Helium

Which part of a plant absorbs water from the soil?

• Leaves

• Stems

• Roots

• Flowers

What is photosynthesis?

• A process where plants take in oxygen

• A process where plants make their own food

• A way animals get energy

• How plants grow flowers

What type of animal is a frog?

• Mammal

• Bird

• Amphibian

• Insect

Which part of a cell controls its activities?

• Nucleus

• Mitochondria

• Cytoplasm

• Cell wall

Which type of blood vessel carries blood back to the heart?

• Arteries

• Veins

• Capillaries

• Valves

What is the term for animals that only eat plants?

• Carnivores

• Omnivores

• Herbivores

• Decomposers

What do we call the process of breaking down food in the body?

• Digestion

• Respiration

• Circulation

• Excretion