Ossiculoplasty is the term to repair the outer ear.
Answer:
How the heart works
The heart is a large, muscular organ that pumps blood filled with oxygen and nutrients through the blood vessels to the body tissues. It's made up of:
4 chambers. The 2 upper chambers are the atria. They receive and collect blood. The 2 lower chambers are the ventricles. They pump blood to other parts of your body. Here is the process:
The right atrium receives blood from the body. This blood is low in oxygen. This is the blood from the veins.
The right ventricle pumps the blood from the right atrium into the lungs to pick up oxygen and remove carbon dioxide.
The left atrium receives blood from the lungs. This blood is rich in oxygen.
The left ventricle pumps the blood from the left atrium out to the body, supplying all organs with oxygen-rich blood.
4 valves. The 4 valves are the aortic, pulmonary, mitral, and tricuspid valves. They let blood flow forward and prevent the backward flow.
Blood vessels. These bring blood to the lungs, where oxygen enters the bloodstream, and then to the body:
The inferior and superior vena cava bring oxygen-poor blood from the body into the right atrium.
The pulmonary artery channels oxygen-poor blood from the right ventricle into the lungs, where oxygen enters the bloodstream.
The pulmonary veins bring oxygen-rich blood to the left atrium.
The aorta channels oxygen-rich blood to the body from the left ventricle
Answer:
because it would be dangerous to do it by hand or skin.
Explanation:
Answer:
When electrons move through a series of electron acceptor molecules in cellular respiration, <em>oxygen is eventually reduced by the electrons in the formation of water</em>
Explanation:
The electron transport chain is located in the internal mitochondrial membrane. There are three proteinic complexes in the membrane, I, II, and III, that contain the electrons transporters and the enzymes necessary to catalyze the electrons transference from one complex to the other. Complex I contains the flavine mononucleotide -FMN- that receives electrons from the NADH. The coenzyme Q, located in the lipidic interior of the membrane, conducts electrons from complex I to complex II. The complex II contains cytochrome b, from where electrons go to cytochrome c, which is a peripheric membrane protein. Electrons travel from cytochrome c to cytochromes a and a3, located in the complex III. Finally, electrons go back to the matrix, where they combine to H₊ ions and oxygen, to form the water molecule. As electrons are transported through the chain, protons are bombed through the three proteinic complexes from the matrix to the intermembrane space.