Across
- 3. It is red in colour and it flows through a network of tubes in whole body
- 6. The process of removal of waste materials produced in the cells of the living organism
- 7. It is the sticky liquid part of the blood which is pale yellow in colour.
- 11. an organ which beats continuously as a pump for the transport of blood carrying other substances with it, through a network of tubes or blood vessels.
- 13. These are tubes or pipes that carry blood throughout the body.
- 14. The rhythmic contraction and relaxation of heart muscles that produce a specific sound of lubb-dubb
- 16. red in colour due to the presence of pigment called haemoglobin.
- 17. this organ can filter the unwanted substances from the blood
- 18. The process used for cleaning the blood of a person by separating the waste product urea
Down
- 1. fight against infection and protect us from diseases.
- 2. the heartbeat can be heard by this instrument
- 4. These are extremely thin blood vessels that connect the arteries to veins
- 5. The process of evaporation of water through the stomata present on the surface of leaves
- 8. It is the liquid waste of the body that is produced by the sweat glands present in our skin.
- 9. this system consists of blood, blood vessels and heart.
- 10. These are the blood vessels that carry blood from all the parts of the body back to the heart.
- 12. These are colourless and help in the clotting of blood in a cut or wound.
- 15. These carry blood from the heart to all the parts of the body.