Human reproductive systemOnline version answer the questions. by josu figueroa 1 Which of the following is not a part of the male reproductive system? a Penis b Testes c Uterus 2 Which of the following is not a part of the female reproductive system? a Ovary b Vagina c Sperm duct 3 What are the male sex cells called? a Sperm cells b Scrotum c Sperm ducts 4 Where are the male sex cells made? a In the testes b In the penis c In the sperm ducts 5 What are the female sex cells called? a Cilia b Egg cells c Cervix 6 About how long does the menstrual cycle take? a About 5 days b About 14 days c About 28 days 7 What is ovulation? a The release of a mature egg cell b The loss of the lining of the uterus c The joining of a male sex cell and a female sex cell 8 What substance passes through the placenta to the baby? a Oxygen b Blood c Carbon dioxide 9 How long is gestation in humans? a 28 days b 40 weeks c 11 years 10 Which change during puberty happens to boys and girls? a Hips widen b Underarm hair grows c Facial hair grows Feedback 1 The uterus is not part of the male reproductive system. 2 The sperm duct is not part of the female reproductive system. 3 The male sex cells are called sperm cells. 4 The male sex cells are made in the testes. 5 The female sex cells are called egg cells. 6 The menstrual cycle takes about 28 days. 7 Ovulation is the release of a mature egg cell 8 Oxygen travels through the placenta to the baby. 9 Gestation is about 40 weeks in humans 10 Underarm hair grows during puberty in boys and girls.