Question

B. Fill in the blanks.
fertilization
1. When an ovum fuses with a sperm outside the body, it is called
2. Testes produce male sex hormone called
3. Fertilization of ovum takes place in the
4. The females have 28 day-long reproductive cycle called
5. The embryo is attached to the uterus by a structure called​

Answer 1

Explanation:

(a) Humans reproduce.

(b) Humans are.

(c) Fertilization is in humans.

(d) Male and female gametes are.

(e) Zygote is.

(f) The process of release of the ovum from a mature follicle is called.

(g) Ovulation is induced by a hormone called the.

(h) The fusion of the male and the female gametes is called.

(i) Fertilization takes place in the.

(j) The zygote divides to form, which is implanted in uterus.

(k) The structure which provides vascular connection between the fetus and uterus is called .

Answer 2

Answer:

1. external fertilization

2. testosterone

3. fallopian tube

5. menstruation

6. placenta