Question

Copy and complete the following by filling in the blanks in the appropriate words.

The human female gonads are ovaries. A maturing egg in the ovary is present in a sac of cells called the follicle. As the egg grows larger, the follicle enlarges and gets filled with a fluid, and is now called the Graafian follicle. The process of releasing the egg from the ovary is called __________. The ovum is picked up by the oviducal funnel and fertilization takes place in the Fallopian tube. In about a week the blastocyst gets fixed in the endometrium of the uterus and this process is called _________.

• A. Ovulation
• B. Implantation

Answer 1

Ovulation :

1. Ovulation is defined as the process where the Graafian follicle rupture and a mature egg is released from the ovary.
2. Ovulation takes place on the 14^th day of the menstrual cycle.

Implantation:

1. Implantation is defined as the process by which the blastocyst gets fixed on the uterine wall.
2. The trophoblast cells of the blastocyst produce and secrete enzymes that dissolve the uterine endometrium and create a pit in the uterus where the embryo resides.
3. It leads to pregnancy.

Final answer: The human female gonads are ovaries. A maturing egg in the ovary is present in a sac of cells called the follicle. As the egg grows larger, the follicle enlarges and gets filled with a fluid, and is now called the Graafian follicle. The process of releasing the egg from the ovary is called ovulation. The ovum is picked up by the oviducal funnel and fertilization takes place in the Fallopian tube. In about a week the blastocyst gets fixed in the endometrium of the uterus and this process is called implantation.