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4 th Grade HELP. Exercise. What day-to-day activities do you do that also provide exercise?. But exercise isn’t just about sports…. Ways to Exercise Everyday:. Going Places:. On the Playground:. Soccer Jungle-Gym Basketball Tag Jump-Rope. Walking Running Biking Skate-boarding.
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4th Grade HELP Exercise
What day-to-day activities do you do that also provide exercise? But exercise isn’t just about sports…
Ways to Exercise Everyday: Going Places: On the Playground: Soccer Jungle-Gym Basketball Tag Jump-Rope • Walking • Running • Biking • Skate-boarding
How do these exercises make you healthier? They strengthen your MUSCLES & BONES AND/OR they strengthen your HEART & LUNGS.
Types of Exercise That Strengthen: Muscles & Bones: Heart & Lungs: Running Soccer Basketball Tag Jump-Rope • Monkey Bars • Shooting Hoops • Push-Ups
Why is exercise important? The Cardiovascular System
Remember what cells need to live? NUTRIENTS & OXYGEN
Unlike amoebas, we can’t engulf food or have oxygen diffuse through our skin.
Unlike amoebas, we can’t engulf food or have oxygen diffuse through our skin. How do we get oxygen to our cells?
There are a couple steps to get oxygen from the air into our cells…
There are a couple steps to get oxygen from the air into our cells… • Get oxygen-rich air into our bodies
There are a couple steps to get oxygen from the air into our cells… • Get oxygen-rich air into our bodies • Put it into a form that our bodies can transport easily
There are a couple steps to get oxygen from the air into our cells… • Get oxygen-rich air into our bodies • Put it into a form that our bodies can transport easily • Transport it to the rest of our bodies
How do our bodies do these steps? • Get oxygen-rich air into our bodies
How do our bodies do these steps? • Put it into a form that our bodies can transport easily Oxygen (O2) Lungs Blood Carbon Dioxide(CO2) Oxygen from the air in your lungs diffuses into your blood
How do our bodies do these steps? • Transport it to the rest of our bodies Lungs Body blood blood RIGHT Side LEFT Side THE HEART
How do our bodies do these steps? • Transport it to the rest of our bodies The heart pumps blood… … through blood vessels that reach every corner of our bodies.
Now let’s watch a video that shows how the heart works… Cardiovascular System Video (show until 1:10)
Blood vessels come in two types… Arteries Veins
Blood vessels come in two types… Arteries Veins Arteries carry oxygen-rich blood from the heart to the rest of the body.
Blood vessels come in two types… Arteries Veins 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.
Let’s review! Lungs Heart Rest of Body