Science Review

Galen, a ancient scientist whose works became medical text books about the human body, studied in

• Rome
• Greece
• Turkey
• Egypt

How many bones make up the human skeleton?

• 122
• 206
• more than 600
• about 100,000

In the movie X-Men, some of the humans gain superpowers because of mutations, or changes in their

• brain cells
• muscles
• DNA
• food

What is a strong band of tissue that attaches bone in the human body?

• diaphragm
• esophagus
• ligament
• cartilage

What is the strongest muscle in the human body?

• the heart
• the brain
• the stomach
• the diaphragm

Which body system has cells that destroy harmful bacteria?

• the digestive system
• the nervous system
• the circulatory system
• the immune system

What do the air vessels in the lungs send to the cells by way of blood vessels?

• nutrients
• oxygen
• carbon dioxide
• waste

The ears and the tip of the nose in the human body are made of

• diaphragm
• esophagus
• ligament
• cartilage

How many times does the human heart beat in one day?

• 122
• 206
• more than 600
• about 100,000

What is missing from this list of the digestive system?
Stomach, Saliva, Small Intestine, Large Intestine

• diaphragm
• esophagus
• ligament
• cartilage