Blood

Edit Answers
1234567
Across
  1. 2. engulf pathogens
  2. 5. makes blood clot
  3. 6. the body's defence mechanism
  4. 7. transports nutrients, wastes, hormones
Down
  1. 1. makes antibodies
  2. 3. artificial immunity
  3. 4. contains haemoglobin and carries oxygen