Answer:
The correct answer is option a, that is, pulmonary vein.
Explanation:
After getting discharged from the left toe, the molecule of carbon dioxide is exhaled through the nose, and in the process, it moves via the trachea, the alveoli, the right ventricle, and the right atrium. However, it does not passes through the pulmonary vein as the prime function of the pulmonary vein is to carry oxygenated blood obtained from the lungs and to pass it to the heart's left atrium.
The pulmonary vein is different from other veins found within the body, which carries deoxygenated blood or blood filled with carbon dioxide from different parts of the body to the heart. Thus, it is clear that carbon dioxide does not pass through the pulmonary vein.
A person who specializes in the study of animals is called a zoologist. Zoologists who study certain kinds of animals have their own names.
The answer from what I know is Magnesium
Cell differentiation allows for the cells derived from common source to develop specialized functions and perform a specific function. That way instead of all cells doing a common function the differentiated cells are specialised to carry on a specific function more effectively
