blood transfusion

1. psychosis

2. battlefield

2.1. wheeling

3. immune response

3.1. clot

3.1.1. clump together

3.1.1.1. antibody

3.1.1.1.1. antigen

4. up to this point

4.1. bloodstream

4.2. in extreme cases

5. portable machine

5.1. a defense mechanism

6. cell membrane

7. coagulation

7.1. anticoagulant

8. crucial step

8.1. in the success of

9. severe pain

10. cross-species

11. hemorrhaging

11.1. rush to help

11.1.1. unfold

12. physician

12.1. suffered from

12.1.1. symptom

13. flag

13.1. flush

13.1.1. disrupt

13.1.1.1. enzymes

13.2. withdraw

13.2.1. come into contact with

13.3. fall out of favor

13.3.1. break down

14. deactivating

15. lay foundation

16. urinate

17. close relatives

18. latch onto

18.1. recipient

18.1.1. intense burning

19. intruders

20. crude

20.1. fixture

20.1.1. fatal