Multiple Choice
The placenta
A) is where blood cells form before the fetus has bone marrow.
B) nourishes the fetus and secretes hormones that maintain the pregnancy.
C) is a membrane surrounding the embryo that gives rise to the blood vessels in the umbilical cord.
D) is the membrane that contains the fetus.
Correct Answer:

Verified
Correct Answer:
Verified
Q27: Which of the following is true about
Q28: The hormone measured in a pregnancy test
Q30: Fertilization usually occurs in the<br>A)ovary.<br>B)uterine tube.<br>C)uterus.<br>D)endometrium (uterine
Q31: Connective tissues are part of the primordial
Q33: Body parts derived from endoderm include<br>A)epidermis and
Q34: Starvation in the uterus increases the risk
Q35: A bulbourethral gland secretes<br>A)sperm.<br>B)a mucus-like fluid.<br>C)blood.<br>D)saliva.
Q36: Erica is 8 years old,but looks as
Q37: The _ are the male gonads.<br>A)scrotum<br>B)testes<br>C)urethra<br>D)penis
Q43: Synapsis occurs during<br>A)prophase I.<br>B)metaphase I.<br>C)anaphase I.<br>D)telophase I.