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Circulation!. The teen brain. Where we’re headed. Sheep heart dissection next class Rest of quarter: Circulation and Respiration Quarter ends April 16 th. Test 2:. A- Wed. April 14 th on circulation/respiration D- Fri. April 16 th on circulation/respiration

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Presentation Transcript
where we re headed
Where we’re headed
  • Sheep heart dissection next class
  • Rest of quarter: Circulation and Respiration
  • Quarter ends April 16th
test 2
Test 2:
  • A- Wed. April 14th on circulation/respiration
  • D- Fri. April 16th on circulation/respiration
  • E- Thurs. April 15th on circulation/respiration
  • F- Tues. April 13th Quiz on circ/resp.
  • G- Thurs. April 15th
circulation6
Circulation!
  • The average adult has about __ liters of blood circulating inside of his/her body.
  • Your system of blood vessels (arteries, veins, capillaries) is over __ km long.
  • Blood takes about __to complete one cycle through the vascular system.
  • In a 70-year lifetime, the average human heart beats ______times.
  • In a day, an adult’s heart pumps ____ liters of blood.
  • Point to your heart.
circulation7
Circulation!
  • The average adult has about _5_ liters of blood circulating inside of his/her body.
  • Your system of blood vessels (arteries, veins, capillaries) is over _96,000_ km long.
  • Blood takes about _20 seconds_to complete one cycle through the vascular system.
  • In a 70-year lifetime, the average human heart beats __2.5 billion____times.
  • In a day, an adult’s heart pumps __7500__ liters of blood.
  • Point to your heart.
circulation8
Circulation!

Essential Questions:

  • How can we study the health of a heart, so we can improve the lives of everyone who has a heart?
today s learning goals
Today’s Learning Goals
  • Determine the importance of the human heart and blood
  • Identify the structures of a heart and the composition of blood
  • Know the complete pathway of blood through the human heart
  • (quizlet next class?)
importance of the heart
Importance of the Heart?
  • I need to get that blood circulating around to EVERY cell in my body!
  • Once the blood drops off what the cells need, then it needs to bring out the waste and get more of what’s needed!
blood what does it do wouldn t coca cola work instead
Blood! What does it do?(wouldn’t Coca Cola work instead?)
  • Transports- O2 and CO2
  • Carries nutrients and hormones
  • Contains disease fighting substances
  • Has thermal energy
  • Ships waste!
what is the secret recipe of blood your vampire friends will be happy you know
What is the secret recipe of blood?(Your Vampire friends will be happy you know)
  • Red Blood Cells (erythrocytes)
  • White Blood Cells (leukocytes)
  • Platelets (thrombocytes)
  • Plasma
  • The cells and platelets are all produced by bone marrow
the heart is a pumping organ where does the blood go
The heart is a pumping organ. Where does the blood GO?

A Model

Watch if you\'re brave

  • Arteries  Away from the heart
  • Veins  Toward the heart
  • But how can the blood get to each and every one of my cells?
if santiago were your circulatory system come up with the places that represent the following
If Santiago were your circulatory system, come up with the places that represent the following-
  • ventricles
  • pacemaker
  • valves
  • arterioles
  • plasma
  • Hemoglobin
explore the heart today
Explore the Heart today:
  • Interactive heart questions, pt 1
    • Don’t turn in, but KNOW and UNDERSTAND
    • You are free to type answers for your group and save file for printing later
slide18

Stop and start a heart....

  • watching the beating
quick review hint know for next class
Quick review (hint: know for next class)!
  • Outline the pathway of blood, starting at left ventricle.
slide20

Pathway of blood, starting at L.V.

  • Left ventricle -> aorta (BAM!)
  • Aorta -> arteries around body
  • Arteries -> capillaries around body
  • Capillaries -> veins
  • Veins -> Vena cava
  • Vena cava -> right atrium
  • Right atrium -> right ventricle
  • Right ventricle -> pulmonary artery
  • Pulmonary artery -> lungs
  • Lungs -> pulmonary vein
  • Pulmonary vein -> left atrium
  • Left atrium -> left ventricle
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