Respiratory and Circulatory Systems

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Respiratory and Circulatory Systems
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Other Animals Respiration

• Sponge, hydra, planaria diffusion from water
• Earthworm skin
• Insect spiracles and trachea lead to air sacs
• Fish gills

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Other Animals Circulation

• Sponge, hydra, planaria diffusion
• Earthworm aortic arches
• Insect dorsal heart
• Fish 2-chambered heart
• Amphibian 3 chambered heart
• Reptile and bird 3 chambered heart

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These systems are interrelated in humans
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Anatomy of Our Respiratory System
Site of gas exchange
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What happens when we breathe?
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Problems with Respiration

• Infection colds, flu, pneumonia
• Bronchitis
• Asthma
• cancer

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Our blood actually takes two paths during
circulation
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Human Heart circulation

• Pathway
• Enters heart from superior and inferior vena
  cavae
• Right atrium
• Right ventricle
• Pulmonary arteries
• To the Lungs
• 4. Pulmonary veins
• 5. Left atrium
• 6. Left Ventricle
• 7. Aorta
• To the rest of the body

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These are the arteries involved in heart attacks



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Components of Blood
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Blood Vessels
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Problems of the Circulatory System

• Heart attack
• Angina
• High blood pressure (hypertension)
• Palpitations

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The End