Final answer:
The uterus is where a baby develops during pregnancy; it expands during gestation and contracts during labor. The Fallopian tubes are where fertilization usually occurs, not where the baby develops. The correct answer is b. Uterus.
Step-by-step explanation:
When discussing where a baby develops during pregnancy, the uterus is the organ to focus on. The uterus is a muscular, pouch-like organ, often described as pear-shaped. It is where the fertilized egg implants and where the fetus grows and develops until birth. The vast expansion of the uterus to accommodate the growing baby and the contractions during labor are its two notable pregnancy-related functions. Fallopian tubes, on the other hand, are the sites where fertilization typically occurs, as they transport eggs from the ovaries to the uterus. The cervix is the lower, narrow end of the uterus that opens into the vagina, facilitating the passage and movement of sperm, while the ovaries are the female reproductive organs that produce eggs.
Given the options: a. Ovaries, b. Uterus, c. Cervix, d. Fallopian tube; the correct answer to "It is the place where the baby develops during pregnancy" is b. Uterus.