HUMAN BODY SYSTEMS

3. This system receives and analyzes signals, stores data and coordinates body actions
5. These structures take blood away from the heart
7. This organ provides a home for a foetus and expels it when it is ready to enter the world
9. This system allows species to make copies of themselves and reduce extinction
10. These attract animal pollinators to plants and protect the reproductive structures
12. The part of a flower that develops into a fruit containing seeds
13. A body unit made up of several organs working together to carry out one or more jobs.
15. These are the male parts of a flower.
17. The building block of all living organisms.
18. The system that transports chemicals and heat and protects body from germs.
20. A body part made of several tissues working together to perform specific body functions

1. The term used for the fusion of an egg and a sperm during sexual reproduction
2. This system breaks food down into small molecules that can enter the blood.
4. This system eliminates wastes cells make and which can harm the body
6. The system allowing the exchange of gases between organisms and environment
8. This system gives the body its shape, protects organs and allows movement
11. This organ produces a strong acid and mucus and has very muscular walls
14. The longest and strongest bone in the human body
16. These organs capture sound waves and send electric signals to the brain for interpretation
19. This protects the heart and lungs and is important in breathing