Question

During which stage of fetal development do the heart and lungs of a fetus become fully developed and functional?

A.
first trimester
B.
fertilization
C.
third trimester
D.
second trimester

Answer 1

Third trimester

Step-by-step explanation:

Plato

Answer 2

C.

Step-by-step explanation:

The fetus will develop a set of lungs in the 36th week, which is the third trimester