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 of a collection of different tissues such as nervous tissue, connective tissue and cardiac muscle (muscle specialised for the heart) and blood (which is classified as a tissue as it is a collection …
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 important, we must first understand what these 2 organs primarily do. The Heart- It is the only blood pump inside the body. Without it, the blood will stay stagnant inside the blood vessels. Therefore, the …
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.
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. From the right atrium blood passes to the right ventricle. The right ventricle propels this de-oxygenated blood to the lungs though pulmonary artery, for oxygenation. The deoxygenated blood loses …
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 separate double circulation. Frog's heart has two accessory chambers, Sinus Venosus for receiving blood from body and Conus Arteriosus for sending the blood out from heart. Human heart does not …
What carries blood to the heart? What carries blood away
2017年5月14日 · Veins carry blood to the heart, arteries carry blood from the heart. There are multiple veins which carry blood to the heart. The two venae cavae carry de-oxygenated blood from the arms, head, and upper body (superior vena cava) and from the legs and lower body (inferior vena cava) to the left atrium (or auricle). The four pulmonary veins carry oxygenated …
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 oxygen into the body. The muscular system uses the diaphragm to enlarge the volume of the lungs. An increased volume in the lungs allows air containing 20% Oxygen to enter the lungs. …
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 liver back to the right atrium of the heart via the inferior vena cava.
What are four things that the circulatory system transports
2016年11月4日 · Circulatory System plays a vital role in transporting materials required by the cells for their functioning. Circulatory system carries the following: Oxygen, Digested Food material, Hormones, Nitrogenous waste materials etc.
What intestine is on the right side? - Socratic
2017年11月13日 · Basically both intestines are situated in the center of the body. However, the last part of the small intestine i.e ileum connects to the first part of large intestine i.e caecum , in the lower right abdomen.