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Blood & circulation
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Slide 1

Blood & circulation

Blood & circulation

Slide 2

Circulation

Circulation

Your body resembles a large roadmap, There are routes or arteries that take you downtown to the heart of the city.

Slide 3

3 Major Parts of the Circulatory system

3 Major Parts of the Circulatory system

Blood Vessels - routes blood travels

Heart pumps or pushes blood through body

Blood carries important *stuff through body

* Stuff includes oxygen, food, & waste

Slide 4

# 1 Blood Vessels : One Way Streets

# 1 Blood Vessels : One Way Streets

Blood Vessels resemble very long and skinny tunnels that are all through your body.

Slide 5

* Click on each blood vessel to explore its function in circulation

* Click on each blood vessel to explore its function in circulation

Slide 6

#2 The Heart

#2 The Heart

4 chambers ( or compartments )

2 upper chambers : Left Atrium Right Atrium

2 lower chambers : Left Ventricle

Right Ventricle

Slide 7

Circulation

Slide 8

Lub

Lub

If you listen to your heartbeat, it makes a lub dub sound.

The lub is when blood is pushed out of the heart into the body and the dub is the reloading of the heart with more blood ready to push it out to the body

Dub

Slide 9

Blood Flow through the Human Body

Blood Flow through the Human Body

Blood with little oxygen is pumped from the Right Atrium through a valve to the Right Ventricle and through another valve into the Pulmonary Vein. The Pulmonary Vein sends it to the Lungs to pick up Oxygen. Its sent from the Lungs through Pulmonary Arteries to the Left Atrium through a valve to the Left Ventricle. The Left Ventricle sends it through a valve to the Aorta. The Aorta is a series of branches that sends oxygenated blood throughout the body.

Slide 10

Heart Rate can be determined using a Stethoscope

Heart Rate can be determined using a Stethoscope

Slide 11

Heart Facts

Heart Facts

Hold out your hand and make a fist. If you're a kid, your heart is about the same size as your fist, and if you're an adult, it's about the same size as two fists.

Your heart beats about 100,000 times in one day and about 35 million times in a year. During an average lifetime, the human heart will beat more than 2.5 billion times.

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