Sexual reproductions in animals and humans Flashcards
1
Q
Q: What is the difference between external and internal fertilization?
A
A: External is outside the body (e.g., fish). Internal is inside the body (e.g., mammals).
1
Q
Q: What is the function of sperm and egg?
A
A: Sperm fertilizes the egg, which grows into an embryo.
2
Q
Q: What happens during the menstrual cycle?
A
A: The lining shed while the egg matures, preparing the woman for pregnancy.
3
Q
Q: What is ovulation?
A
A: When the egg is released from the ovary.
4
Q
Q: What is the function of the placenta, amniotic fluid, and umbilical cord?
A
A: The placenta gives nutrients, amniotic fluid protects, and the umbilical cord connects the baby to the placenta.
5
Q
Q: What happens during the stages of labor?
A
A: 1) Contractions, 2) Baby is born, 3) Placenta is delivered.
