Across
- 5. the fluid protecting the heart from shocks.
- 6. blood is fluid ___________ tissue.
- 10. blood platelets are also known as _______.
- 11. they are responsible to response to allergic substances.
- 13. a specialized system which transports nutrients, gases and hormones within the body.
- 15. the chambers of heart are separated to prevent mixing of pure & ______ blood.
- 16. they larger than RBC's , colourless.
Down
- 1. they are fine blood vessels connecting arteries with veins.
- 2. the receiving chambers
- 3. arteries carry blood _______the heart.
- 4. the wall present between the auricles and
- 7. they are hollow tube like structures called blood ________.
- 8. auricles have ___________ walls.
- 9. veins carry blood ________the heart.
- 12. the heart is a ______ shaped organ.
- 13. the walls of heart are called _____.
- 14. there are three types of blood cells or ____.