It is located a little to the left of the middle of your chest
It is about the size of your fist
Its job is to send blood to the body
Its like having two pumps in one
The right side receives blood and pumps it to the lungs
The left side receives blood from the lungs and sends it to out of the body
3 The hearts Beat
Before each beat the heart fills with blood
Then it contracts to squirt the blood along its way
The average heart pumps 2000 gallons of a day.
4 6 parts of the Heart
Aorta The main artery that carries blood away from the heart
Atria (Left Right atrium) The top two chambers that receive blood from the body or lungs
Ventricles. (Left Right) The bottom two chambers.
The right ventricle pumps blood to the lungs to pick up oxygen.
The left ventricle pumps blood to the rest of the body and is the strongest chamber.
5 Its Great to Circulate
The movement of blood through the heart and around the body is called circulation
It only takes about 20 seconds to pump blood to every cell in your body
Your body needs this steady supply of blood to keep it working right
6 The Hearts Job!
Oxygen-poor blood flows from the body into the right atrium
Blood flows through the right atrium into the right ventricle
The right ventricle pumps the blood to the lungs where the blood releases waste gases and picks up oxygen
The newly oxygen-rich blood returns to the heart and enters the left atrium.
Blood flows from through left atrium into the left ventricle
The left ventricle pumps the oxygen-rich blood to all parts of the body
7 (No Transcript) 8 Charting Your Heart
What happens to your heart rate while at rest (sitting quietly) compared to while you are running jumping and playing sports
The average resting heart rate is between 60 and 90 beats per minute (bpm).
Physical activity can raise your heart rate three times or more than your resting heart rate.
9 How to Chart Your Average Heart Rate 10 My Pulse
You can feel your heart at work from the outside by feeling your pulse
Youve found your pulse when you feel a small beat under your skin
Each beat represents a contraction or squeezing of the heart
11 Mr. Bill
There are many sites (arteries) on the body where you can find your pulse
The two best sites to find your heart rate/pulse are the Radial artery and the Carotid artery.
12 Finding Your Heart Rate
You must use your index and your forefinger to find your heart rate because your thumb has a pulse.
Radial Artery which is located on your wrist below your thumb.
Carotid Artery which is located on your neck below the jaw bone.
13 Calculating Your Heart Rate
The 6 count method
First you locate your pulse then count how many times your heart beats in 6 seconds. (This is how many times you feel it beating)
Then you will multiply that number by 10.
This will give you the number of beats per minute (bpm).
10 beats in 6 seconds x 10 100 beats per minute.
14 Target Heart Rate
Is your heart rate or range where you want to maintain in order reach your fitness goals It can also keep you from working too hard.
The Age related method
First you must calculate your maximum heart rate. 220 - your age your maximum heart rate. 220-12208 max bpm
15 Target Heart Rate
Second you take your maximum heart rate and multiply by 60 this gives you the low range your heart should be working at to achieve fitness goals. 208 x .60 125 bpm.
Third you take your maximum heart rate and multiply by 80 this gives you the high range your heart should be working at to achieve fitness goals. 208 x .80 166 bpm.
Given this example you should work in the range of 125 and 166 bpm to achieve fitness goals.
Without your heart there would be no way for your blood to move around your body
You would not be able to live
It began pumping blood for your before you were born
Take good care of your heart and it will take good care of you
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