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Summary Mass Transport in Animals Notes $9.08   Add to cart

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Summary Mass Transport in Animals Notes

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Includes an in depth detail of the gross structure of the heart and function of the heart, and how an EEG works through the cardiac cycle and the formation of tissue fluid.

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  • June 22, 2024
  • 7
  • 2023/2024
  • Summary
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, circulatory system
·
multicellular organs have a low Sa : V ratio : need a circulatory system
.


·
circulatory system is a double circulatory system because blood passes through heart twice In I complete circuit

of body
.
·
closed circulatory system : blood fully enclosed in vessels at all times

circulatory system made up of heart+ blood vessels

·
blood transports respiratory gases , products of digestion metabolic
,
wastes + hormones round the body . 2 circuits :


L I takes blood from heart lungs >
-
heart

2 takes blood to rest of body

Coronary Arteries

·

supply heart muscle with essential nutrients + oxygen .
these cells have high conc of Mitochondria for aerobic resp


to generate ATP

·
If coronary arteries was blocked , cells wouldn't be able to respire , heart can't contract , tissues die as heart tissue


deprived of glucose + oxygen
.


aorta
·
supplies coronary artery with blood
.




① Right atrium :
receives deoxygenated blood from body

② inferior vena cava-brings deoxy blood from lower part of body

to right atrium

⑤ superior vena cava-brings blood from upper body + transports It to


right atrium

& BICUspid Valve (leftAV) allow blood from LA to LV
= +
prevents backflow

⑤ Tricuspid Value (right Avl = allows blood from RA-RV +
stops backflow

⑥ Right ventricles pumps deoxy blood
: to lungs

⑦ pulmonary = carry deoxy blood from Rvelungs
arteries

⑧ Left atrium =
receives oxy blood from lungs

⑨ pulmonary veins =
carries oxy blood from lungs - LA

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