8th Grade Science

8 th Grade ScienceHuman Body Systems & Health BookChapter One: Body Organization and StructureSection Three & Four: The Muscular System & Integumentary System (pg 12-19)Answer each of the following questions on a piece of notebook paper, in a completesentence, restating the question in your answer. Failure to follow these rules will result inthe student having to rewrite the assignment to earn their points.1. What are the three kinds of muscle you have?2. Give a location where each type of muscle can befound in a human body.3. What is the difference between a voluntary andinvoluntary muscle?4. If a muscle contracts, what does that mean?5. Explain how muscle pairs work.6. Describe two types of exercise that can increasemuscle strength and endurance.7. Why is it important to stretch and warm up beforedoing PE activities?8. If Trey can do one curl-up every 2.5 seconds, abouthow long will it take him to do 35 curl-ups?9. What are four functions of the skin?10. What is the largest organ in the human body?11. Why is skin thicker on the palms of hands and thesoles of feet?12. Why doesn’t it hurt when you get a haircut, hairis made of cells?13. What gives people their natural hair color?14. What are three jobs of human hair?15. Why do people get goose bumps?16. What causes people to get acne?17. How can humans help prevent acne?

18. What is the purpose of a scab?19. On average, hair grows 0.3mm per day. Howmany millimeters does hair grow in 30 days? Howmuch will it grow in a year?20. Why do you feel pain when you pull on your hairor nails, but not when you cut them?