Reproduction in Humans：练习题

What is the main function of the oviduct in the female reproductive system?

Which of the following correctly describes the fertile phase of the menstrual cycle?

Which of the following is a method to reduce the transmission of the Human Immunodeficiency Virus (HIV)?

Which part of the female reproductive system is a narrow opening between the uterus and the vagina?

In a typical 28-day menstrual cycle, on which day does ovulation usually occur?

State the specific function of the prostate gland in the male reproductive system and identify the tube that carries both urine and semen out of the body.

A woman has a regular 28-day menstrual cycle. If the first day of her menstruation is on the 1st of March, calculate the estimated date of ovulation and identify which hormone is primarily responsible for maintaining the thickness of the uterine lining after ovulation.

(a) Define sexual reproduction in humans.

(b) State the specific functions of the following parts of the male and female reproductive systems:
(i) Testes
(ii) Oviducts (Fallopian tubes)
(iii) Uterus

The menstrual cycle is regulated by various hormones and involves changes in the ovary and the uterus.

(a) State the typical duration of a menstrual cycle and describe what happens during the 'menstruation' phase.

(b) Identify the event that typically occurs on Day 14 of the cycle and explain the difference between the fertile and infertile phases of the cycle.