Across
- 2. The __________ system absorbs most nutrients through the small intestine.
- 5. The __________ system produces all of the body’s blood.
- 6. The __________ system circulates nutrients around the body.
- 7. The __________ system consists of the brain, brain stem, and spinal cord.
Down
- 1. The __________ system brings in oxygen and releases carbon dioxide.
- 3. The __________ system gets rid of waste from the body and includes the kidneys, skin, lungs, and intestines.
- 4. The __________ system is made up of over 600 muscles that help your body move, stand up straight, and make heat.