Front

Which system pumps blood through your body? Options: circulatory, digestive, respiratory, muscular

Back

circulatory

Front

What important substance is replenished as blood flows through the heart?

Back

oxygen

Front

As you exercise, your circulatory system works with which other system to take in oxygen?

Back

respiratory

Front

Where does digestion start? Options: mouth, throat, stomach, intestines

Back

mouth

Front

Which part of your digestive system absorbs nutrients into your bloodstream? Options: stomach, intestine, mouth, bladder

Back

intestine

Front

What happens to what's left of our food after it goes through the intestines?

Back

disposed of in the bathroom

Front

What happens to what's left of our food after it goes through the intestines?

Back

disposed of in the bathroom

Front

As your body works harder, what happens to your HEART rate?

Back

increases

Front

What happens to your BREATHING rate if you take a rest after running a mile?

Back

decreases

Front

This system includes the skin, hair, and nails.

Back

integumentary