4th Grade Immune System Quiz

What is the number one way to prevent colds?

• take Tylenol

• get an antibiotic from your doctor

• don't go out with a wet head

• good handwashing procedures

What is the largest organ in our body and is our first defense against germs and bacteria?

• Skin

• Brain

• Liver

• Heart

What is the top layer of skin called?

• callus

• epidermis

• dermis

• hypodermis

What is the second (middle) layer of skin called?

• epidermis

• dermis

• hypodermis

What is the third (bottom) layer of skin called?

• epidermis

• dermis

• hypodermis

The purpose of the immune system is to:

• Help germs invade the body.

• Fight off sickness.

• Make you sick.

• Cure blindness.

The immune system is made up of:

• Tissues

• Organs

• Cells

• All the above

Tags

NGSS.MS-LS1-3

As part of the immune system, white blood cells fight germs. Another name for white blood cells is:

• Rhinovirus

• Leukocytes

• Glands

• Nodes

Leukocytes are found in lots of places, including an organ in your belly that filters blood and helps fight infections known as the:

• Heart

• Spleen

• Kidneys

• Brain

The four main types of germs are:

• Viruses, bacteria, parasites, and fungi

• Viruses, parasites, fungi, and phagocytes

• Parasites, bacteria, lymphocytes, and fungi

• Small, medium, large, and extra large