Cardio2nd Grade

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TEKSIdentify how regular physical activity strengthens the heart, lungs, and muscular system. (2.4A)

Describe how the blood carries oxygen and nutrients through the body. (2.4B)

http://acupunctureclinicnw.com/wp-content/uploads/2012/09/Cardiovascular-Disease.jpg

2nd Grade•How does the blood carry oxygen and nutrients through the body? •What effect does exercise have on the heart and lungs?

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• Cardiovascular System- system of heart and blood vessels working together

• Heart- pumps the blood throughout the body • Lungs- helps you breathe in oxygen and exhale

carbon dioxide• Oxygen- a gas that you inhale that the blood

takes from the lungs

2 http://hsc.uwe.ac.uk/rcp/Images/heartLungs.jpg

• Carbon Dioxide- a gas that the blood brings from the body to the lungs for you to exhale

• Arteries- carries blood away from the heart • Veins- carries blood toward the heart• Asthma- a condition that keeps people from

breathing well• Nutrients- food solution carried by the blood

to the body

2http://blog.heart.org/vacationing-heart-healthy/

The heart is located in the middle of the body.

It is about the size of your fist.2

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THE HEART

http://www.wiltonlibrary.org/uploads/heart.gif http://www.modernhearthealth.com/wp-content/uploads/2012/11/heart-beat.jpg

The heart pumps blood all over the body. When you exercise, the heart beats faster to pump blood to the muscles. When you sleep, the heart slows down. This is so the heart and body can rest.

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THE HEART

http://thumbs.dreamstime.com/z/human-heart-lungs-10674263.jpg2

The lungs are on each side of the heart. They help you breathe.

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http://ts3.explicit.bing.net/th?id=H.4921526742089794&pid=15.1

THE LUNGS

http://www.inquisitr.com/wp-content/uploads/2011/12/lungs.jpg

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The heart and lungs work together and are protected by the ribs. When you

exercise, the lungs and heart work faster to deliver oxygen to your muscles.

http://24x7medicalhelpline.com/uploaded_images/P2160395-Heart_and_lungs-SPL1798.jpg

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9http://www.copdhelp.ca/local/images/en/aboutcopd/COPD.gif

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The lungs breathe in oxygen and breathe out carbon dioxide.

OXYGEN

CARBON DIOXIDE

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The heart pumps blood. The blood picks up oxygen from the lungs and delivers oxygen throughout the body.

http://www.umm.edu/graphics/images/en/19387.jpg

Blood with oxygen

Blood without oxygen

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Let’s follow the blood through the heart! http://www.aboutkidshealth.ca/En/HowTheBodyWorks/IntroductiontotheHeart/TheHeartbeat/

Pages/BloodFlowThroughtheHeart.aspx

http://www.empowher.com/files/ebsco/images/si1635.jpg

Click hereClick here

Where does the blood travel after

it leaves the lungs?

Heart

Teacher Note: Roll mouse over image in link to see names and functions of heart and lungs. Then click start to see power point and press next to advance slides.

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The blood picks up nutrients from the digestive system. It delivers the nutrients on its route through the body.

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Asthma• Asthma is a condition that keeps people from

breathing well. It is not contagious so you can not catch it from someone that has it.

• When someone has asthma, they can have an asthma attack when they exercise. An inhaler can be used to help them breathe easier.

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Inhaler

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Benefits of Physical ActivityIt is important to participate in activities that increase your heart rate to keep your body healthy. When your body is healthy, you can play longer.

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Cardiovascular Review

15http://hsc.uwe.ac.uk/rcp/Images/heartLungs.jpg

Which picture shows the heart?

Do jumping jacks if you think this is the picture of the heart.

Do crab kicks if you think this is

the picture of the heart.

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Cardiovascular Review

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Game Time!

•Read the question then decide how to answer the question.

•Show your answer by performing the skill listed with the correct answer.

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Food = V-sitFood = V-sit

Muscles = Frog Jumps

Oxygen = Push ups

What does your blood pick up in the lungs?

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Oxygen = Push ups

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Carbon Dioxide = V-sit

Muscles = Frog jumps

Nutrients = Push ups

What does the blood bring back through the heart to the lungs to be exhaled?

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Oxygen = Push ups Carbon Dioxide = V-sit

2nd Grade•How does the blood carry oxygen and nutrients through the body? •What effect does exercise have on the heart and lungs?

212

Review

• Cardiovascular System- system of heart and blood vessels working together

• Heart- pumps the blood throughout the body • Lungs- helps you breathe in oxygen and exhale

carbon dioxide• Oxygen- a gas that you inhale that the blood

takes from the lungs

2 http://hsc.uwe.ac.uk/rcp/Images/heartLungs.jpg

• Carbon Dioxide- a gas that the blood brings from the body to the lungs for you to exhale

• Arteries- carries blood away from the heart • Veins- carries blood toward the heart• Asthma- a condition that keeps people from

breathing well• Nutrients- food solution carried by the blood

to the body

2http://blog.heart.org/vacationing-heart-healthy/