Body System

What is the longest bone in the body?

• rib cage

• femur

• cranium

• heart

What system is responsible for delivering oxygen and removing carbon dioxide from the body?

• cell nucleus

• excretory system

• nervous tissue

• respiratory system

Which of the following body systems work together for support, protection, and movement?

• respiratory and circulatory

• skeletal and muscular

• skeletal and respiratory

• digestive and respiratory

What is the function of the skeletal system?

• It is a complex organ.
• It provides transportation.
• It provides growth opportunities.
• It provides support and protection.

What is the main organ of our circulatory system?

• heart

• lungs

• skin

• liver

What do we call the blood vessel that carry blood away from the heart?

• valves

• arteries

• atria

• bones

What do we call the blood vessel that return blood back to the heart?

• arteries

• chambers

• veins

• ventricles

Why is it important to eat foods with a lot of calcium?

• Calcium strengthens your bones.

• Calcium helps you sleep.

• Calcium makes you smarter.

• Calcium supports heart health.

What can you infer from the fact that babies have more bones than adults?

• Most adults suffer from bone loss
• Teenagers also have more bones than adults
• Babies shed some of their bones as they grow
• Some of babies' bones fuse together as they grow

A muscular organ located below the lungs that cause to flow in and out of the lungs

• heart

• lungs

• diaphragm

• blood vessel