In humans, the placenta is essential to the embryo for

Question options:

(1)nutrition, excretion, and reproduction

(2)respiration, nutrition, and excretion

(3)movement, reproduction, and nutrition

(4)coordination, movement, and growth

(2)respiration, nutrition, and excretion

Explanation:

The placenta between the mother and the fetus has three main function.

- Attach the fetus to the uterine wall.

- Provide nutrients to the fetus.

- Allow the fetus to transfer waste products to the mother's blood.

The placenta refers to an organ in the uterus of mother that is responsible for nourishing and maintaining the fetus through the umbilical cord. The placenta also has many other functions but primarily it plays critical roles in the nutrition, respiration and excretion of the fetus. Its other functions include: production of hormones, production of immunity for the fetus for prevention from infections, etc. 

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hi, natural selection of the peppered moth during the industrial revolution in 19th-century england is an example of an outlier in the study of evolution. during this time, pollution from factories filled the forests, coating trees in a layer of soot—turning white trees black

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