Direction: Write the letter of the correct answer on the blank before each number.

1. The thickened lining of the uterus flows out of the body during.
a. fertilization b. menstruation c. Ovulation d. urination

2. Fertilization happens in the
a. cervix b. fallopiah tube
c. uterus. d. vagina

3. Menstrual flow usually lasts for
days.
a. 2-4
b.3-5
C. 3-8 d. 8-10

4. The union of male and female germ cells to form a zygote is called
a. fertilization b. malnutrition c. menstruation d. ovulation

5. Egg cell is produced in the
a. ovary
b. oviduct C. scrotum
d.uterus​