1. Exercise 4 th Grade HELP

2. What day-to-day activities do you do that also provide exercise? But exercise isn’t just about sports…

3. Ways to Exercise Everyday: Going Places: Walking Running Biking Skate-boarding On the Playground: Soccer Jungle-Gym Basketball Tag Jump-Rope

4. How do these exercises make you healthier?

5. They strengthen your MUSCLES & BONES AND/OR they strengthen your HEART & LUNGS.

6. Types of Exercise That Strengthen: Muscles & Bones: Monkey Bars Shooting Hoops Push-Ups Heart & Lungs: Running Soccer Basketball Tag Jump-Rope

7. The Cardiovascular System Why is exercise important?

8. Let’s start from the beginning… CELLS!

9. Remember what cells need to live?

10. NUTRIENTS & OXYGEN

11. Unlike amoebas, we can’t engulf food or have oxygen diffuse through our skin.

12. How do we get oxygen to our cells?

13. There are a couple steps to get oxygen from the air into our cells…

14. 1.Get oxygen-rich air into our bodies

15. There are a couple steps to get oxygen from the air into our cells… 1.Get oxygen-rich air into our bodies 2.Put it into a form that our bodies can transport easily

16. There are a couple steps to get oxygen from the air into our cells… 1.Get oxygen-rich air into our bodies 2.Put it into a form that our bodies can transport easily 3.Transport it to the rest of our bodies

17. How do our bodies do these steps?

18. 1.Get oxygen-rich air into our bodies

19. 2.Put it into a form that our bodies can transport easily How do our bodies do these steps? Oxygen from the air in your lungs diffuses into your blood LungsBlood Oxygen (O 2 ) Carbon Dioxide(CO 2 )

20. 3.Transport it to the rest of our bodies How do our bodies do these steps? RIGHT Side LEFT Side blood THE HEART LungsBody blood

21. 3.Transport it to the rest of our bodies How do our bodies do these steps? The heart pumps blood…… through blood vessels that reach every corner of our bodies.

22. Now let’s watch a video that shows how the heart works… Cardiovascular System Video (show until 1:10)

23. Blood vessels come in two types…

24. ArteriesVeins

25. Blood vessels come in two types… ArteriesVeins Arteries carry oxygen-rich blood from the heart to the rest of the body.

26. Blood vessels come in two types… ArteriesVeins Veins carry oxygen-depleted blood from the body back to the heart. Note: Arteries and veins travel everywhere in the body, not just half like the picture shows.

27. Let’s review! Lungs Heart Rest of Body