The Circulatory System

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The Circulatory System

• By Will Rodriguez
• Eric McGinnis

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Parts of the Heart

• Left and Right Atrium
• Left and Right Ventricle
• Valves
• Vessels
• (Pulmonary Artery, Pulmonary Vein, and Aorta)
• Superior and Inferior Vena Cava

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Atrium And Ventricle

• Atrium-
• (Holding chamber for blood entering the heart,
  Produces the Lub sound.)
• Ventricle-
• (Pumps the blood from the heart, walls are
  thicker than the atrium and have more muscles,
  produces the Dub sound.)

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Valves Vessels

• Valves
• (Mitral Valves- control between left atrium and
  left ventricle, Semi Lunar valves-control flow
  from ventricle to arteries.
• Vessels
• (Pulmonary Vein- transports blood from the right
  ventricle to the lungs, Pulmonary Artery-
  transports blood from the lungs to the left
  atrium, Aorta- carries blood to other parts of
  the body from the heart, Vena Cava- carries
  deoxygenated blood back to the heart.

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Arteries

• Classified as one of the three types of vessels
• Blood vessels that carry oxygen, rich blood, and
  nutrients away from the heart to the body.
• Pulmonary artery- only artery that does not carry
  oxygenated blood
• Arterioles- smallest type of artery
• Aorta- Largest artery

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Pumping Action

• The pumping action of the heart is when the heart
  is pumping blood through the body to places that
  need it. So a heart is like a vacuum it cleans up
  the body by passing blood through the veins. When
  the blood passes through your body is sends of
  oxygen and nutrients to places that need them.

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Blood Flows

• Blood flows through a complex system of tubes
  which send blood through your body. At each
  tissue or organ the blood drops off oxygen and
  nutrients and exchange for waste products. Blood
  first pumps from your heart, once pumped it sends
  of blood through blood vessels to get to each
  part of your body. Blood flows through 60,000
  blood vessels to get to each part of the body.
  Also, the heart pumps 2,000 gallons of blood per
  day.

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Heart Disease

• Heart disease is the number one killer in Canada.
  Some things may cause heart disease like
  smoking, stress, being overweight, physically
  inactive, and diets rich in saturated fat. The
  most common symptom is angina. Angina can be
  described as a discomfort, heaviness, pressure,
  aching, burning, fullness, squeezing or painful
  feeling in your chest. Some treatments for heart
  disease are coronary angiography, coronary
  stenting, and heart transplants. To prevent
  having heart disease dont smoke, stay in shape,
  and most of all eat healthy.

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Vocabulary

• Aorta-The main trunk of the systemic arteries,
  carrying blood from the left side of the heart to
  the arteries of all limbs and organs except the
  lungs.
• Artery- Any of the muscular elastic tubes that
  form a branching system and that carry blood away
  from the heart to the cells, tissues, and organs
  of the body.
• Arteriosclerosis- a chronic disease in which
  thickening, hardening, and loss of elasticity of
  the arterial walls result in impaired blood
  circulation.
• Atrium- a chamber or cavity to which several
  chambers or passageways are connected.
• Blood pressure- the pressure exerted by the blood
  against the walls of the blood vessels,
  especially the arteries.
• Capillary- Relating to or resembled a hair, fine
  and slender.
• Deoxygenated blood- The functions of the heart
  are to pump oxygenated blood around the body, and
  to deliver deoxygenated blood and waste products
  to the lungs.

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More Vocabulary

• Diastole- The normal rhythmically occurring
  relaxation and dilation of the heart chambers
• Heart- The chambered muscular organ in
  vertebrates that pumps blood received from the
  veins into the arteries
• Pace maker- One who sets a pace for itself
• Pulmonary artery- An artery that carries venous
  blood from the right ventricle of the heart to
  the lungs
• Vein- Any of the membranous tubes that form a
  branching system
• Septum- a thin partition or membrane that divides
  two cavities or soft masses of tissue in an
  organism
• Systole- the rhythmic contraction of the heart
  especially of the ventricles
• Valve- a membranous structure in a hollow organ
  or passage
• Vein- any of the membranous tubes that form a
  branching system and carry blood to the heart.
• Ventricle- A small cavity or chamber within the
  body or the organ

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• THE END