Introduction:
A maximum pregnancy lasts on average 40 weeks. The Sequence of development is the process through which a baby is developed and finally takes birth. Early development is the first week of the human development period. A conception ends in successful implantation.
Answer to Problem 31A
Correct answer:
The correct answer is option (D) fourth.
Explanation of Solution
Explanation/justification for the correct answer:
Option (D) fourth. The structure A describes the placenta and it leaves the female’s body after the child’s birth that is the fourth trimester. So, this is the correct option.
Explanation for incorrect answer:
Option (A) first. Structure A describes the placenta and it leaves the female’s body after the child’s birth. So, this is an incorrect option.
Option (B) second. The placenta does not leave a female’s body in the second trimester. So, this is an incorrect option.
Option (C) third. The placenta does not leave a female’s body in the third trimester. So, this is an incorrect answer.
Chapter 36 Solutions
Biology Illinois Edition (Glencoe Science)
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