G4 Science - Unit 6 Review

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Across
  1. 3. to take air into the lungs and then to expel it from the lungs
  2. 8. the major blood vessel through which oxygen-rich blood leaves the heart
  3. 9. the exchange of gases between the body and air
  4. 12. the detectable surge in pressure as blood moves through an artery
  5. 13. the upper chamber in the heart from which blood moves to the ventricle
  6. 14. the combination of foods a person consumes
  7. 15. a colorless, odorless gas necessary for almost all life
Down
  1. 1. a beat caused by the heart contracting, or squeezing, and pushing blood throughout the body
  2. 2. the muscular organ that pumps blood through the circulatory system
  3. 4. an activity that requires physical effort, done to improve health
  4. 5. a body fluid that moves materials throughout the body
  5. 6. the process of moving blood throughout parts of the body
  6. 7. the main chamber in the heart that pumps blood to the arteries
  7. 10. the clear fluid part of blood
  8. 11. the degree of wellness of the body