Daniel Araneta n10606193 - Red Blood Cells

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Across
  1. 3. Contains the majority if a cell's genetic material. Red blood cells do not have this.
  2. 6. The the smallest structural and functional unit of an organism
  3. 8. A red, iron-rich protein that binds oxygen together
  4. 9. The main organ in the cardiovascular system
  5. 10. An element found in red blood cells
Down
  1. 1. What organisms need for respiration
  2. 2. The main organ in the respiratory system
  3. 4. The waste product of the human body
  4. 5. Liquid component of blood
  5. 7. A problem within the body when an individual has a lack of red blood cells