Immune System Quiz

What does the immune system include?

• Only white blood cells

• White blood cells, tissues, and organs

• Only tissues and organs

• Only organs

What is the primary function of the immune system?

• To help the body fight infections

• To help the body digest food

• To help the body breathe

• To help the body move

Which system is considered the most important in the immune system?

• The respiratory system

• The digestive system

• The lymphatic system

• The nervous system

Where are lymph nodes primarily located in the body?

• In the brain

• In the chest

• In the neck, armpits, and groin

• In the stomach

Where are lymph vessels mostly located in the body?

• Only in the arms

• Only in the legs

• Only in the head

• Mostly everywhere in the body

What do lymph nodes filter?

• Blood

• Air

• Substances that travel through lymphatic fluid

• Food particles

Which is the largest organ in the body that protects you from germs?

• Heart

• Liver

• Skin

• Lungs

What is an easy definition for a pathogen?

• A bacteria that helps in digestion

• A virus that causes people to get sick

• A cell that repairs tissues

• A substance that strengthens the immune system

What is immunity?

• Immunity is when your immune system is fighting a disease.

• Immunity is when your body is at rest.

• Immunity is when you are feeling tired.

• Immunity is when you are eating healthy food.

What are antibiotics made from?

• Mold, plants, and bacteria

• Only mold

• Only plants

• Only bacteria