BLOOD CIRCULATION.
BLOOD
• Blood is a very important liquid.
• It carries oxygen and the subtances from
digestion to different parts of our b...
• The circuculatory system is responsible for
blood circulation. It is made up of the heart
and the blood vessels.
THE HEART
• The heart is an organ.
• It pumps the blood around our body.
• Our heart is between the two lungs.
BLOOD VESSELS
• BLOOD CIRCULATES AROUND OUR
BODY INSIDE VESSELS.
• THREE TYPES OF BLOOD VESSEELS:
ARTERIES, VEINS AND CAPI...
- Arteries carry blood with oxygen.
- Veins collect blood with carbon dioxide.
- Capillaries connect veins and arteries.
BREATHING
• The respiratory system is made up of the
following organs: nostrils, trachea , two
bronchial tubes and two lun...
• Air enters our body through the nose and
mouth.
• It passes through the nostrils.
• It goes down through the trachea, th...
• Oxygen from the air passes through the
walls of our lungs into our blood.
• We make two movements: inhalation and
exhala...
• When we inhale , our lungs fill with air.
• When we exhale , the air leaves our lungs.
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Blood 1

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Blood 1

  1. 1. BLOOD CIRCULATION.
  2. 2. BLOOD • Blood is a very important liquid. • It carries oxygen and the subtances from digestion to different parts of our body. • The journey of our blood around the body is called circulation.
  3. 3. • The circuculatory system is responsible for blood circulation. It is made up of the heart and the blood vessels.
  4. 4. THE HEART • The heart is an organ. • It pumps the blood around our body. • Our heart is between the two lungs.
  5. 5. BLOOD VESSELS • BLOOD CIRCULATES AROUND OUR BODY INSIDE VESSELS. • THREE TYPES OF BLOOD VESSEELS: ARTERIES, VEINS AND CAPILLARIES.
  6. 6. - Arteries carry blood with oxygen. - Veins collect blood with carbon dioxide. - Capillaries connect veins and arteries.
  7. 7. BREATHING • The respiratory system is made up of the following organs: nostrils, trachea , two bronchial tubes and two lungs. • The ribs protect our lungs.
  8. 8. • Air enters our body through the nose and mouth. • It passes through the nostrils. • It goes down through the trachea, the bronchial tubes, and into the lungs.
  9. 9. • Oxygen from the air passes through the walls of our lungs into our blood. • We make two movements: inhalation and exhalation.
  10. 10. • When we inhale , our lungs fill with air. • When we exhale , the air leaves our lungs.

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