Name:

Match the system to the correct description

1. ______facilitates the continuation of a species

2. ______uses hormones to help regulate the body’s activities

3. ______filters waste from blood to be expelled from the body

4. ______acquires oxygen for the body and releases carbon dioxide

5. ______works with the above system to move oxygen to all cells and remove

Carbon dioxide

6. ______breaks down large molecules so it can be absorbed by the body

7. ______uses electrical impulses to control the body’s activities

8. ______protects and supports the body.

9. ______protects body from injury and infection.

Match the cell organelle to the correct description

10. ______similar to digestive system because it breaks down molecules

11. ______similar to the skin because it can protect by keeping things out

12. ______similar to excretory system because it stores waste for removal

13. ______similar to the brain because it directs all activities of the cell

14. ______similar to blood vessels because it moves things across the cell

Short Answer

15. Which two systems work closely together to move your arms and legs? Explain how the work together.

16. Which two systems work closely together to move oxygen throughout your body? Explain

17. Which two systems work closely together to supply your cells with nutrients? Explain

18. How does your body respond when your body temperature drops? Increases?

19. What are the 3 parts of the cell theory?

20. How does your body supply your muscles with enough oxygen during exercise?

21. Give an example of each of the following: ___Cell -

___Tissue – ___Organ -

___Organ System –

Also, order them from least number to greatest number in the human body.

22. Using the word cell, tissue, organ and organ system make a diagram using shapes of how these might show their relationship.

23. Why do the body systems have to work together?

24. What are characteristics that all living things share?

25. Which two systems coordinate and regulate the activities of the body? Explain how they do their jobs.

26. What are the limitations of models like a globe or a torso of a human body?

True or False – If false change the underlined word to make the statement true.

26.  Organism with camouflage coloration use their coloration to warn off predators.

______

27.  You should always change two or more variables in a controlled experiment.

______

28.  Adaptations do not help organisms survive their environment.

______