Animals & Human

6. a cushion between bones that allow joints, such as elbows and knees to bend.
9. system: a network made up of the heart, blood, blood vessels.
10. animals have a hard layer that protects them on the outside.
11. a group of cells with a specific function which makes the organs.
12. are sharp, pointy, structures on the feet of mammals, reptiles, and birds. They are used for capturing, carrying, and tearing apart prey.
13. external organs found in fish that extract oxygen from water as water flows around gills.
15. controls the balance and coordination of the body.
16. animals have backbones to help their body stand upside.
17. acts as shields which the body use against harmful materials.
18. a muscular organ pumps blood

1. blood vessels transport blood from different parts of the body to the heart.
2. a thinking part of brain and controls our thoughts and imagination.
3. body parts that perform particular functions.
4. blood vessels deliver oxygen-rich blood from the heart to different parts of the body.
5. tiny blood vessels circulate blood, oxygen, nutrients and other materials to the cells, and connect arteries and veins.
7. system: a network made up of bones, cartilage that supports the body, gives it shape and protects the internal organs.
8. is like an armor to help in protecting the animal. Its color helps the animals hide (camouflage).
11. a type of bones protects brain
12. animals do not have backbone.
14. controls the body’s functions such as breathing, heart rate.