Respiratory System
Skeletal System
Muscular System
Circulatory System
Digestive System
2

Your body couldn’t breathe without this system. Which one is it?

Respiratory System

2

What’s the smallest bone in the body?

Stirrup

2

The three major types of muscles in the body are:

 Smooth muscle, cardiac muscle, and skeletal muscle

2

How many chambers does the heart have?

Four

2

How long is an adult’s small intestine?

22 feet

4

The respiratory system is made up of the trachea, the lungs, and the:

Diaphragm

4

Bones meet at:

Joints

4

The muscle that pumps blood throughout your body is:

Cardiac muscle

4

The movement of blood through the heart and body is called:

Circulation

4

The digestive process starts in the:

Mouth

6

When you breathe in air, you bring oxygen into your lungs and blow out:

Carbon dioxide

6

How many bones does an adult human have?

206

6

Which muscle helps move your shoulders?

Deltoid muscle

6

The beating sound your heart makes comes from:

The beating sound your heart makes comes from:

6

The liver’s role is to:

Remove harmful substances from the blood

8

When you inhale, your lungs:

Inflate

8

The bones in your spine are called:

Vertebrae

8

Which type of muscle is found in your digestive system?

Smooth muscle

8

The atria are the “upstairs” chambers of the heart and these parts are the “downstairs” chambers:

Ventricles

8

When they reach the stomach, mashed-up food particles mix with:

Gastric juices

10

What is the name of the tiny air sacs in your lungs?

Alveoli

10

The patella is located in the:

Knee

10

What connects bones and muscles together?

Tendons

10

What parts act like doors that control blood flow in the heart?

Valves

10

What tube moves food from the back of your throat to the stomach?

Esophagus