Due to the fact that the demand for red blood cells increases during pregnancy, what nutrient is needed regularly?

The correct answer is iron.

Explanation:

Iron is required to produce red blood cells, which transport oxygen all through the body. At the time of pregnancy, one requires more iron as the volume of the blood enhances and the development of baby's blood also takes place.  

In order to include more iron in the diet, one should comprise at least two servings of chicken, meat, legumes, fish, and nuts each day. One should consume cereals, whole-green bread, and green leafy vegetables regularly. In the case of certain women who are not able to get adequate amount of iron from the food, they need to get an iron supplement.  

the right answer is a. skin cells forming from sunlight.

the liver is an organ endowed with a fantastic ability to regenerate

. thus, if a hepatectomy (ablation) of 70% of the hepatic mass is performed in the rat, there is complete recovery in 7 to 10 days.

prokaryotes are beings that have existed since the existence of life on earth, and do not come from another realm.

ribosomes are organelles that exist naturally in eukaryotes, either in free form or attached to the endoplasmic reticulum.

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