Science

1234567891011
Across
  1. 3. A classification based on the presence or absence of antigens.
  2. 5. Blood that has B antigens and anti-A antibodies.
  3. 7. A protein that helps destroy foreign substances in the body.
  4. 9. A protein that determines if blood is positive or negative.
  5. 10. Cells that fight infection and disease
  6. 11. The liquid portion of blood that carries cells and nutrients.
Down
  1. 1. The clumping of red blood cells during incompatible blood transfusions.
  2. 2. Blood that has no A or B antigens; universal donor.
  3. 4. Blood that has both A and B antigens; universal recipient.
  4. 6. Blood components that help with clotting.
  5. 7. A substance on the surface of red blood cells that triggers an immune response.
  6. 8. Blood that has A antigens and anti-B antibodies.
  7. 9. Cells that carry oxygen throughout the body.