Why is the heart a muscle and not an organ? Is it both an
2016年3月17日 · The heart is an organ which is made from muscle. Organs are a collection of tissues that are specialised for their purpose. Muscle is a type of tissue. The heart is made up …
Which is more important, the heart or the lungs? What are
2017年2月4日 · Both are very important and you can never simply decide which one is more important than the other. In order to simply explain why we can't choose which is more …
Which organ develops first in a human embryo? - Socratic
2016年9月13日 · Heart. The process of cell division and cellular differentiation of embryo during the early stages of development is called embryogenesis. The development of organs start …
What are the organs of the circulatory system? - Socratic
2018年6月11日 · The main organ is the heart. The heart constantly pumps blood throughout the body. The blood travels through blood vessels which are organs of the circulatory system. …
Which chamber of the heart receives deoxygenated blood from
2016年2月23日 · Right Atrium Our heart has four chambers, two atria (right and left) and two ventricles (right and left). The right atrium receives the de-oxygenated blood from the body. …
How does a frog's heart differ from a human's heart? - Socratic
2016年8月19日 · Frog's heart is three chambered where there is no partition to separate oxygenated and deoxygenated bloods. Human heart is four chambered with completely …
What internal organ is below the heart, about level with the belly ...
2015年12月29日 · It should be the intestines. But it could be... It is either the stomach, the liver, or the intestines. Since you said: about the level with the belly button, it should be the intestines.
What is the difference between a hepatic vein and a hepatic
2016年2月28日 · Hepatic portal vein carries blood and nutrients from the stomach, spleen, intestines and gall bladder to the liver. The hepatic vein carries deoxygenated blood from the …
What is the structure, function, and location of the pleura ...
2016年6月3日 · The pleura, pericardium and peritoneum are membranes that encapsulate major organs of the body. The pleura, the lungs, the pericardium the heart and the peritoneum the …
How do the circulatory system, muscular system, and ... - Socratic
2017年10月26日 · The circulatory system brings oxygen in the blood to the cell, The respiratory system puts blood into the blood, The muscular system allows the reparatory system to bring …
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