asked 82.3k views
3 votes
In mammals, The placenta is essential to the embryo for:

A. Nutrition, reproduction, and growth
B. Nutrition, respiration, and excretion
C. Locomotion, respiration, and excretion
D. Nutrition, reproduction, and excretion

2 Answers

6 votes
B. Nutrition, respiration, and excretion
answered
User Selmar
by
7.7k points
2 votes

Answer:

Nutrition, Respiration, Excretion

answered
User Asgoth
by
8.3k points
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