Health Quiz G2

What is the main organ of the respiratory system?

• Lungs

• Stomach

• Liver

• Heart

What gas do we breathe out?

• Nitrogen

• Carbon dioxide

• Hydrogen

• Oxygen

What is the function of the heart in the circulatory system?

• To filter air

• To pump blood

• To regulate body temperature

• To digest food

HOW MANY BONES ARE THERE IN THE SKELETAL SYSTEM?

• 176
• 206

All together, your bones make up your _____. page 67

• system

• skeleton

• joints

• muscles

_____ move the skeleton and other body parts. page 68

• Bones

• Muscles

• Systems

• Teeth

_____ bones in the chest protect the heart and lungs. page 67

• Rib

• Arm

• Leg

• Jaw

This bone protects the brain

• ribs

• tibia

• ulna

• skull

What bones protect the lungs and heart?

• Intestine

• brain

• Ribs

What body system is shown in the picture?

• Nervous System

• Skeletal System

• Respiratory System

• Digestive System