Question

1. the _ is a hollow, muscular organ that nourishes and protects a developing fetus. cervix ovulation vagina menstruation uterus 7. the shedding of the uterine lining is called _. cervix ovulation vagina menstruation uterus 8. the _ is the opening of the uterus. cervix ovulation vagina menstruation uterus

Explanation:

• For question 6: The uterus is a hollow, muscular organ. During pregnancy, it provides a space (hollow) and has muscular walls. It nourishes (through the placenta - related processes) and protects (physical enclosure) the developing fetus.
• For question 7: Menstruation is the process where the uterine lining (endometrium) is shed. This occurs when there is no fertilization of the egg.
• For question 8: The cervix is the lower - narrow part of the uterus that acts as an opening. It can dilate during childbirth and has a canal that connects the uterus to the vagina.

Answer:

1. Uterus
2. Menstruation
3. Cervix