What is the primary function of the circulatory system?

• To digest food

• To keep oxygen and nutrients supplied to all cells

• To remove waste from the body

• To fight infections.

The heart pumps up to how many gallons of blood a day?

• 500

• 1000

• 2000

• 3000

Which organ is NOT part of the digestive system?

• Stomach

• Liver

• Heart

• Intestines

Fill in the blank: The digestive system helps in breaking down difficult to digest parts of your food with the help of _______.

• Enzymes

• Bacteria

• Acids

• Hormones

Tags

NGSS.MS-LS1-7

What is the waste product of cellular respiration?

• Oxygen

• Carbon dioxide

• Water

• Sugar

Fill in the blank: The respiratory system is made up of our nose, lungs, and _______.

• Heart

• Diaphragm

• Liver

• Stomach

What is the primary job of the lymphatic system?

• To transport oxygen

• To transport lymph

• To digest food

• To pump blood.

Fill in the blank: Lymph contains a lot of _______ which are specialized to fight invaders.

• Red blood cells

• White blood cells

• Platelets

• Plasma

Which system is closely related to the immune system?

• A) Circulatory

• B) Digestive

• C) Respiratory

• D) Lymphatic

Fill in the blank: The circulatory system is sometimes called the _______ system.

• Digestive

• Respiratory

• Cardiovascular

• Lymphatic