Across
- 2. The blood vessels carry ____________ to different parts of the body.
- 4. During vigorous exercise, both the heart rate and breathing rates will ____________.
- 7. The heart is a muscle that ___________ blood to different parts of the body.
- 9. The transport system in both plants and humans carry food and __________.
- 10. The circulatory system transports ____________ food and oxygen to different parts of the body.
Down
- 1. The circulatory system consists of the ___________ and the blood vessels
- 3. First, blood is pumped from the heart to the _________ to receive oxygen and remove carbon dioxide.
- 5. Plants transport food and water in _____________ tubes
- 6. As the activities get more vigorous, the breathing rate increases as more oxygen is taken in and more carbon dioxide need to be
- 8. As the activities get more vigorous, the heart rate increases and the heart needs to pump faster to transport more ___________ and digested food to the muscles
