The two atria act as receiving chambers for blood entering the heart, while the more muscular ventricles pump the blood out of the heart. The heart, although a single organ, can be considered as two pumps that propel blood through two different circuits. The right atrium receives venous blood...
body part - any part of an organism such as an organ or extremity diaphragm, midriff - (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration shoulder - the part of the body between the neck and the upper arm ...
A healthy heart supplies your body with the right amount of blood at the rate needed to work well. If disease or injury weakens your heart, your body's organs won't receive enough blood to work normally. Your heart is located under your ribcage in the center of your chest between your...
But while taking a breath may seem simple at first glance, under the surface there’s a lot going on. If you’ve ever wondered about the science behind how you breathe, you’re in the right place. Your Respiratory System Eleven organ systems carry out a wide variety of essential ...
Liver types usually have a dull pressure and fullness in the upper abdomen just under the right rib cage. Some of these people get tired for a while after each meal. When they lie on their left side at night, it becomes uncomfortable due to a swelling of the liver, which pushes into ...
Integumentary System You probably know the integumentary system better as the skin, but it also includes the hair and nails. This is the body's largest organ, protecting you from the outside world and helping to regulate body temperature and eliminate waste via perspiration. ...
The heart is the first functional organ formed in the embryo, which also begins in the third week. The development of the embryo from gastrulation to organogenesis initiates in the third week of pregnancy. Body Changes/ Signs of Pregnancy ...
For an organ that is so often removed in surgery and deemed, “able to live without,” we really need the energy of the spleen to give us that sense of harmony and well-being. The good news is, even without it, the energy of the spleen still exists. ...
The heart is a hollow, muscular organ that pumps oxygenated blood throughout the body and deoxygenated blood to the lungs. This key circulatory system structure is comprised of four chambers. One chamber on the right receives blood with waste (from the body) and another chamber pumps it out ...