4th Grade-Ch. 5 Lesson 2 What are the Respiratory and Circulatory Systems
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4th Grade-Ch. 5 Lesson 2 What are the Respiratory and Circulatory Systems

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4th Grade-Ch. 5 Lesson 2 What are the Respiratory and Circulatory Systems 4th Grade-Ch. 5 Lesson 2 What are the Respiratory and Circulatory Systems Presentation Transcript

  • Ch. 5 Lesson 2 What are the respiratory & circulatory systems?
  • Pathway of Respiration
    • Mouth/nose 
  • Pathway of Respiration
    • 2. Pharynx (throat) 
  • Pathway of Respiration
    • 3. Trachea 
  • Pathway of Respiration
    • 4. Bronchi 
  • Pathway of Respiration
    • 5. Lungs 
  • Pathway of Respiration
    • 6. Air sacs (alveoli)
  • Pathway of Respiration
    • Mouth/nose 
    • Pharynx (throat) 
    • Trachea 
    • Bronchi 
    • Lungs 
    • Air sacs (alveoli)
  • Pathway of Respiration
    • Mouth/nose 
    • Pharynx (throat) 
    • Trachea 
    • Bronchi 
    • Lungs 
    • Air sacs (alveoli)
  •  
  • Lungs
  • trachea (windpipe)
    • air tube that connects throat to lungs
    • made of cartilage = (stiff, connective tissue)
  • bronchial tubes (bronchi)
    • branch from trachea
    • each tube branches into smaller tubes
    • each twig ends in tiny air sac (alveoli)
    • thin walled chambers
    • thru which oxygen
    • moves  blood
  • Trachea Bronchial tubes
  • diaphragm
    • dome shaped muscle that moves to help you breathe- found just below lungs
    • in hale (breathe in )- moves
    • ex hale (breathe out )- moves
  • The diaphragm is a muscle in your chest.
  • Parts and Functions of the Respiratory System video clip
  • When you inhale, does your chest expand or contract? Which direction does your diaphragm move?
  • When you inhale, your chest expands . The diaphragm pulls downward.
  • nose mouth pharynx trachea lungs bronchi bronchioles alveoli (air sacs) diaphragm
  • nose mouth pharynx trachea lungs bronchi bronchioles alveoli (air sacs) diaphragm
  • Activity-Lung Power
    • Prediction : I predict that the small balloon inside the bottle will_________________
    • when I pull down on the large balloon.
    • I predict that the small balloon inside the bottle will _________________ when I push up on the large balloon.
    • Result: __________________________
  • Lung Capacity activity
  • YouTube video-Bill Nye Lungs song
  • How long does it take blood to circulate throughout your body?
  • It takes blood about one minute to circulate throughout your body.
    • Circulatory System
    • moves blood thru body
    • works w/ resp. system
  • circulatory system heart blood blood vessels
  • Respiratory & circulatory systems work together to bring oxygen to the cells of the body. +
    • Oxygen passes from air sacs (alveoli)  blood
    • Blood vessels carry oxygen  heart
    • Heart pumps blood with oxygen  body
  • Introduction to the Circulatory System video clip
  • Did you know that your heart beats over 100,000 times a day?
  • heart Right atrium Left atrium Right ventricle left ventricle
  •  
  • The Heart
  • From body in a vein To lungs in an artery From lungs In a vein To body in an artery Right atrium Left atrium Right ventricle Left ventricle
  • Pathway of Circulation
  • How blood moves through the body Blood moves from the left atrium to the right atrium Oxygen rich blood from the lungs enters the heart through the left atrium Blood moves from the right ventricle to the lungs to get oxygen Bobby Cindy Greg