Which system is responsible for creating red blood cells?

This attaches bone to bone

This attaches bone to muscle.

What type of chemical is secreted by endocrine glands?

True or False:

Your left and right lungs are exactly the same shape and size

True or False:

Your nose and ears continue growing throughout your lifetime

Your sense of _____________ is approximately 10,000 times more sensitive than your sense of taste

Approximately _____% of what we taste is actually smell.

The brain uses approximately ____% of the oxygen used by the body

True or False:

When listening to music, your heartbeat will sync with the rythmn

True or False:

In one year, a human heart would pump enough blood to fill an Olympic size pool.

If all blood vessels in the human body were laid end to end, they would encircle the Earth _____ time(s)