Skeletal System
Muscular System
Respiratory System
Circulatory System
Immune System
100

The skeletal system is the body's ______________.

framework

100

The number of kinds of muscle.

3

100

The respiratory system helps us take in ________ and get rid of ________ _________. 

oxygen, carbon dioxide

100

The circulatory system moves oxygen-filled ______ around the body. 

blood

100

The main function of the immune system. 

Fights diseases and keeps our body healthy. 

200
Name three things that the skeletal system includes.

joints, bones, tendons, cartilage, ligaments

200

This kind of muscle controls digestion and blood flow.

Smooth muscles

200

Where does the process of respiration, or breathing start (How does the air get inside us)?

Through the nose or mouth.

200
The two main functions of the circulatory system.

Providing oxygen to our body cells, and carrying nutrients and wastes.

200

The immune system works to repair any kind of damage caused by the _________.

infection, foreign invader, bacteria, virus, etc. 

300

Bones store and release _________.

minerals

300

These muscles are attached to the bones.

Skeletal muscles

300

The tiny air sacs inside the lungs.

The alveoli.

300

The organ that pumps blood all around our body.

The heart.

300

Our immune system can be useful to fight against _______, _______, and ________.

bacteria, fungi, and viruses

400

Bones produce ________ _______. 

blood cells

400

These muscles are in the heart and pump blood to the body.

Cardiac muscles

400

A large muscle that helps air move in and out of our bodies.

The diaphragm.

400

Blood returns _______ ________ back to the lungs, so it can be breathed out. 

carbon dioxide

400

Something our immune system makes to fight diseases. 

Antibodies
500

The skeletal system can act as a barrier which protects _________ ________ from harm. 

internal organs

500

Three things that the muscular system does.

Movement, posture, circulation, stability, heat generation, involuntary functions, protection, etc. 

500

The system that the respiratory system works with, to deliver oxygen to our body cells. 

The circulatory system. 

500

Name at least two out of three kinds of blood vessels.

Arteries, veins, and capillaries.
500

What are at least two things that make up the immune system?

White blood cells, lymph nodes, lymph vessels

M
e
n
u