Heart pumps blood through body
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Heart pumps blood through body •Veins : to the heart •A rteries: A way from the heart When looking at heart, think of a person laying on a table… right side left side
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Heart pumps blood through body. When looking at heart, think of a person laying on a table… r ight sideleft side. Veins : to the heart A rteries: A way from the heart. Heart is a PumP. 4 chambers Heart beat you hear is open/closing of valve noise Deoxygenated blood right side - PowerPoint PPT Presentation
Transcript of Heart pumps blood through body
Heart pumps bloodthrough body•Veins : to the heart•Arteries: Away from the heart
When looking at heart, think of a person laying on a table…
right side left side
• 4 chambers• Heart beat you hear is
open/closing of valve noise• Deoxygenated blood right side• Oxygenated blood left side• Atriums (tops) pump together• Ventricles (bottoms) pump
together
Heart is a PumP
Inferior vena cava
Tricuspid valve
Right ventricle
Right atrium
aorta
Bicuspid valve
Inter ventricular septum
Left ventricle
left atrium
Pulmonary veins
Pulmonary valve
Pulmonary artery
superior vena cava
Pulmonary artery
Aortic valve
Video link
How do I get air?• Inhale: diaphragm contracts chest cavity to expands as diaphragm moves down• Causes area of low pressure (“no air”) • Air rushes in to fill void
• Exhale: diaphragm relaxes and returns to normal resting position diaphragm moves up• Air naturally flows out from greater
pressure
Video link
How does my blood get oxygenated?
Blood Sugar Homeostasis(negative feedback loop)• Returns system to a set point once it
deviates sufficiently• Like thermostat
Diabetes Video link
Video link
