MediumZoologyHuman Reproduction
+4 / -1
In humans, after one month of pregnancy, the embryo's ______ is formed.
A
Heart
B
Limbs
C
External genital organs
D
Brain
Explanation
The first sign of a growing fetus can be noticed by listening to the heart sound carefully through a stethoscope.
Previous
The inner cell mass contains certain cells called ______, which have the potency
NextBy the end of the second month of pregnancy, the fetus develops:
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