Answer:
The right atrioventricular valve (tricuspid) regulates the opening between the <u>right atrium</u> and the <u>right ventricle</u>.
Explanation:
Valves are gates that allow the connection between atria and ventricles. The two valves located on the right side (tricuspid and pulmonary) direct the incoming blood from the body to the lung, where it is oxygenated; from there it returns to the left atrium, to later pass through the mitral and aortic valves. The left atrium connects to the left ventricle through the mitral valve and the right atrium connects to the right ventricle through the tricuspid valve.
Bending over and touching your toes describes flexion in reference to your intervertebral discs.
<h2>Answer and Explanation</h2>
DNA is called deoxyribonucleic acid. DNA is different in all plants and animals but according to the chemical structure, it is the same as double helix strand that is separated from each other. In a person body, all the DNA are the same but they are different if the cells, tissues, and organs are different. There are some mammals have slightly similar DNA that is humans have 99.6% same DNA as the chimpanzees.
Answer:
Explanation:The Photosystems are the functional centers of photosynthesis. The pigments, such as chlorophyll, in the photosystems absorb light energy, which excites electrons. These electrons are transferred to electron-accepting molecules, eventually producing ATP and NADPH.
