exercise 4 th grade help. what day-to-day activities do you do that also provide exercise? but...

Exercise

4th Grade HELP

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:• Walking• Running• Biking• Skate-boarding

On the Playground:• Soccer• Jungle-Gym• Basketball• Tag• Jump-Rope

How do these exercises make you healthier?

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:• Monkey Bars• Shooting Hoops• Push-Ups

Heart & Lungs:• Running• Soccer• Basketball• Tag• Jump-Rope

The Cardiovascular SystemWhy is exercise important?

Let’s start from the beginning… CELLS!

Remember what cells need to live?

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…

1. Get oxygen-rich air into our bodies

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

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

How do our bodies do these steps?

How do our bodies do these steps?

1. Get oxygen-rich air into our bodies

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

Lungs BloodOxygen (O2)

Carbon

Dioxide(CO2)

3. Transport it to the rest of our bodies

How do our bodies do these steps?

RIGHT Side

LEFT Side

blood

THE HEART

Lungs Bodyblood

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.

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…

Blood vessels come in two types…

Arteries Veins

Blood vessels come in two types…

Arteries VeinsArteries carry oxygen-rich blood from the heart to the rest of the body.

Blood vessels come in two types…

Arteries VeinsVeins 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