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It starts out in the right atrium to the tricuspid valve into the right ventricle then the pulmonic valve to the pulmonary arteries. Then it goes to the capillaries to the pulmonary veins then the left atrium to mitral valve then left ventricle which then goes to the aortic valve to the aorta. The oxygenated blood goes through the body then diffusion happens of the hormones, nutrients, and oxygen into the body cells. Then oxygen-poor blood goes to the superior and inferior vena cava and back to the right atrium.
This happens over and over again because the circulatory system is a closed system.
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∙ 13y ago
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How many hearts do octupuses have?
Octopuses have three hearts Two are used for pumping blood to the octopuses gills and the other is used for pumping blood to the rest of the body.
Is the atrium the hearts main pumping power?
Nope its the ventricle !
What are the two main phases of the action of the heart?
the pumping and the not pumping? diastollic and systollic?
What would happen if the length of the absolute refractory period in cardiac muscle cells was the same as it is for skeletal muscle cells?
tetanic contractions might occur, which would stop the hearts pumping action
What are septal defects?
hearts with septal defects (holes between pumping chambers)
Describe the pumping action of the heart?
The pumping action involves the heart's chamber contracting and relaxing. The heart beat is one cycle of the heart going through this contraction and relaxation while pumping blood.
How many hearts does a cuttle fishe have?
They have 3 hearts, two used primarily for pumping blood to the gills and the other for the rest of the body.
How many hearts does the average human have?
We humans have one heart with four pumping chambers.
Non-positive displacement pumps must operate above system fluid level in order to begin any pumping action?
yes
Does the septum contribute to the pumping action of the ventricles?
yes
Do all birds have hearts?
ofcouse they are living things and what will keep there blood pumping? so the answer is yes
Most of the heart's pumping action occurs in the?
Left ventricle
