The answer is 2. Hormones are a part of the reproductive process of producing an offspring. They are the one responsible of producing a both sperm and egg cells. The hormones responsible for the egg cells are estrogen and progesterone while the hormone responsible for the sperm cell is testosterone.

2

The answer is 3. Avoidance of drugs, tobacco and alcohol are essential in maintaining a good pregnancy. Frequent dieting must be avoided as the developing fetus needs enough nutrients for it to develop normally.

3

The answer is 2. The testes is the one responsible for producing the hormone for sperm cells. Testosterone is the specific hormone for producing sperm cells.

2

The answer is 1. The ovary is the one responsible for producing egg cells. These egg cells are then released in the fallopian tube for possible fertilization by the sperm cell.

1

The answer is 1. Fertilization occurs right after the egg and sperm cell meet. This event occurs in the oviduct of the female reproductive system.

1

The answer is 1. Fertilization occurs right after the egg and sperm cell meet. This event occurs in the oviduct of the female reproductive system.

1

The answer is 3. The uterus is where the developed embryo is stored for further development and maturity. It is also the site where the placenta is formed as it is the source of nutrients for the developing fetus.

3

The answer is 2. The ovaries are a part of the female reproductive system that is the source of both estrogen and progesterone and is also the source of egg cells.

2

The answer is 3. Both male and female gametes are produced in the ovaries and testes. The other term for female gametes are egg cells and male gametes are sperm cells.

3

The answer is 2. Estrogen and progesterone are from the female reproductive organ. They are mainly produced in the ovaries for the regulation of the normal cycle of females.

2

The answer is 2. The one responsible for influencing both the reproductive cycle and the development of sex characteristics is the ovaries. This structure produces egg cells or gametes as well as the hormones responsible for maintaining and regulating the reproductive cycle.

2

The answer is 1. The placenta is the source of all nutrients from the mother to the child. It serves as the organ that supplies nourishment to the developing fetus.

1

The answer is 4. Carbon dioxide, as well as urea, are the substances that diffuse from the fetus to the mother. These substances are also considered as wastes. On the other hand, the substance diffused from mother to child is oxygen and glucose.

4

The answer is 1. The placenta is the source of all nutrients from the mother to the child. It serves as the organ that supplies nourishment to the developing fetus.

1

The answer is 1. Choice 2 is not the answer because there was no sperm cell in the experiment. Choice 3 is also wrong because in the experiment, fertilization did not occur and choice 4 is wrong because this is not related to the experiment.

1

A sperm cell nucleus would not work in this procedure because sperm cells alone contribute only half of the chromosomes thus, the success rate would be none.

The answer is ovary. The ovaries are a part of the female reproductive system that is the source of both estrogen and progesterone and is also the source of egg cells.

Ovaries

The answer is C. The ovaries are a part of the female reproductive system that is the source of both estrogen and progesterone and is also the source of egg cells.

C

The answer is uterus. The uterus is a part of the reproductive system wherein it functions as the site where the developing fetus is stored. This structure is also associated with the placenta.

The answer is placenta. The placenta is the source of all nutrients from the mother to the child. It serves as the organ that supplies nourishment to the developing fetus.

Placenta