Answer:
There is no short answer.
Explanation:
The effects of having a hole in the heart and it's initial effect of the oxygenated and the deoxygenated blood mixing, can cause shortness of breath, less energy during any physical activity since the amount of oxygenated blood going to the lungs is lower. This also can be heard with a stethoscope when listened.
I hope this answer helps.
They are formed with the flow of air or water.
Answer:
No but they have cardiac chamber, compared with humans' four-chamber hearts, are a group of cells called nephrocytes that serve the same function as human kidneys
Explanation:
Answer:
Speciation, it's the formation of a new organism in evolution
I'll leave this here:
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