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oxygen-rich blood is always pumped through out the body.
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What does the left side of a birds heart pump blood to?
Cells
What organ or structure pumps blood around the body?
The heart
What structure carries oxygen rich blood away from the heart?
Arteries always carry blood from the heart. In this case, the artery is the aorta.
Why is the four chamber heart a poor choice of structure to place creatures on a phylogenic tree?
All birds and mammals have a four chambered heart.
What is the medical term meaning chamber of the heart that receives oxygenated blood from the lungs?
the chamber of the heart which receives oxygenated blood from the lungs is the left atrium
What ensures that the blood does not flow back into the heart?
Semilunar valves
What structure in the heart separate oxygenated blood from deoxygenated blood?
The structure in the heart that separates oxygenated blood from deoxygenated blood is the atria. These are the two sides of the heart and are separated by the interatrial septum.
Why does a birds heart work better than a frogs?
Birds have a 4- chambered heart so the blood doesn't mix Frogs have a 3- chambered heart so the blood mixes
Why do birds need a four chambered heart?
A four-chambered heart prevents oxygen-rich blood from mixing with oxygen-poor blood and therefore ensures more efficient circulation than a three-chambered heart. Efficient circulation of blood is necessary for an animal with high metabolic needs. Birds have high energy requirements because they are warm-blooded and move mostly by flying.
What law of the heart is mechanism that ensures the volume of blood discharged from the heart is equal to the volume entering its chambers?
stallings
The structure of the heart enables this organ to?
The heart is enabled to pump blood
What heart structure prevents blood from flowing backward?
heart valves
What is the purpose of heart valaves?
The reason we have valves in our heart is to direct the flow of blood in one direction. This ensures that it is able to circulate through the body.
What body structure makes the blood stop?
Heart.
What does the left side of a birds heart pump blood to?
Cells
What are the structure of different parts of respiratory system?
The heart, the blood and the blood vessels.
Where does the right side of a birds heart pump the blood?
lungs and other blood vessels
