Answer- So nice good night
The heart consists of four chambers in which blood flows. Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium. From the left atrium blood flows into the left ventricle
Answer:
The tricuspid and mitral valves lie between the atria and ventricles. The aortic and pulmonic valves lie between the ventricles and the major blood vessels leaving the heart. The heart valves work the same way as one-way valves in the plumbing of your home. They prevent blood from flowing in the wrong direction
Explanation:
maybe o valves
read this passage
Answer:
PCOS sometimes runs in families. If any relatives, such as your mother, sister or aunt, have PCOS, the risk of you developing it is increased.
You should just wait for your mom to explain the symptoms. Parents have a reason for not telling you things 99% of the time.
Answer:
an inflammatory condition
a chronic condition
a degenerative condition
Explanation:
