The Human Body

How many bones are in the human body?

• 308

• 206

• 97

• 401

Answer explanation

There are a total of 206 bones in the adult human body.

The _____ is a fist-sized organ that pumps blood throughout your body.

Tags

NGSS.MS-LS1-3

Trace your left hand.

List the 5 basic human senses.

Tags

NGSS.MS-LS1-8

What do you think is the most important organ in your body?

• Heart

• Brain

• Lungs

• stomach

Answer explanation

While all of the organs listed are very important to the human body, the most important organ in the human body is the Brain. It controls and coordinates actions and reactions, allows us to think and feel, and enables us to have memories and feelings—all the things that make us human.

Which of your fingers are considered opposable?

• ring finger

• index finger

• pinky finger

• thumbs

The _____ are a pair of spongy, air-filled organs located on either side of the chest

This organ has 3 functions. Temporarily store food. Contract and relax to mix and break down food. Produce enzymes and other specialized cells to digest food.

• stomach

• liver

• kidney

• lungs