Human Body 3rd Grade

6. Which human body system functions to move bones and joints? (3.L.1.1)

8. Where can you find a ball-and-socket joint in the human body? (3.L.1.1)

14. Which group of bones support the human body and help us stand straight and tall? (3.L.1.1)

20. What structure in the skin provides the human body information about external conditions? (3.L.1.2)

5. Why are the human body’s internal organs, such as the lungs, found in the rib cage (a bony part of our skeleton)?

When you touch something hot, what does your skin contain that tells the human body that it might be in danger?

9. Which tissues support bones and help them move? (3.L.1.1)

3. Maria touches a faucet handle that has germs on it. Which organ will keep most of the germs from entering her body?

15. A function of joints is movement. Which type of joint move the knees and elbows back and forth in one direction?

12. What is the name of the system of bones that function to support and protect the human body? (3.L.1.1)

1. Which of the following structures protects the human body from external conditions and forces? (3.L.1.2)

17. Which sentence best describes the function of muscles? (3.L.1.1)

19. Which of these joints move bones in a similar way? (3.L.1.1)

7. Which of the following is not an example of a system? (3.L.1.1)

11. Which human body function is NOT part of the skeletal system? (3.L.1.1)

2. The thigh bone is the longest bone in the human body. What is the function of the thigh bone? (3.L.1.1)

4. Trevone dives in the swimming pool. Which system helps Trevone dive in the pool? (3.L1.1)

18. Which of the following is NOT a function of skin, the human body's largest organ? (3.L.1.2)

13. Bend your arm toward yourself. Which best describes this muscle movement? (3.L.1.1)

16. Which organ does the skull protect? (3.L.1.1)