The Beating Heart

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The Beating Heart
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Working that Muscle

• Your heart is a muscle
• 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

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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 2,000 gallons of a day.

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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.

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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

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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

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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.

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How to Chart Your Average Heart Rate
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My Pulse

• You can feel your heart at work from the outside
  by feeling your pulse
• You've found your pulse when you feel a small
  beat under your skin
• Each beat represents a contraction or squeezing
  of the heart

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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.

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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.

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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.

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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

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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.

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• 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