PHYSIOLOGY
REPRODUCTION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
In mammals, the placenta is essential to the embryo for
|
|
nutrition, reproduction, and growth
|
|
|
nutrition, respiration, and excretion
|
|
|
locomotion, respiration, and excretion
|
|
|
nutrition, reproduction, and excretion
|
Explanation:
Detailed explanation-1: -The placenta passes oxygen, nutrients, and other useful substances from the mother to the fetus. It also passes carbon dioxide and other waste s from the fetus to the mother. The placenta lets blood from the fetus and mother exchange substances without actually mixing.
Detailed explanation-2: -The placenta serves as the fetus’s digestive, respiratory, and excretory organ.
Detailed explanation-3: -Abstract. The placenta plays a key role in the nutrition of the fetus. It mediates the active transport of nutrients and metabolic wastes across the barrier separating maternal and fetal compartments, as well as modifying the composition of some nutrients through its own metabolic activity.
There is 1 question to complete.