SCIENCE
The reproductory system
INDEX
1. Sexual characters
2. What is reproduction?
3. The parts of the reproductive system
35 The cells
4. Process
6. Fecundation
7. Menstruation
Primary and secondary sexual characters
Primary: they are the organs that differentiate men and women. Secondary:the physical appearance men and women have.
It is the function through which we have descendants with the same characteristcs.
The parts of the reproductive systems, male and female.
The sexual cells
The ovule is the female sexual cell. It is bigger than the spermatozoa. It is round in form. It is made in the ovaries. The spermatozoa is the male sexual cell. It has got a tail. It floats in a liquid called semen. It is produced in the testicles.
PROCESSES
Birth
Pregnancy
Fecundation
When the baby is born.
It's the process that takes place from fecundation to birth.It takes about nine months.
The spermatozoa and the ovule join together and make a new living being..
Menstruation
Every twenty eight days, an ovule enters the ovary. If it is not fecundated, it comes out to the outside with a bit of blood.
FECUNDATION
The zygote divides itself and turns into an embryo.
The ovule matures, exits the ovary and enters the fallopian tubes.
The embryo navigates the fallopian tubes, enters the ovary and sticks to its walls. There it grows until it becomes a baby.
The fertilized ovule divides itself and turns into a different cell called zigote.
One spermatozoa enters an ovule.
THE REPRODUCTORY SYSTEM
Ángel
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Transcript
SCIENCE
The reproductory system
INDEX
1. Sexual characters
2. What is reproduction?
3. The parts of the reproductive system
35 The cells
4. Process
6. Fecundation
7. Menstruation
Primary and secondary sexual characters
Primary: they are the organs that differentiate men and women. Secondary:the physical appearance men and women have.
It is the function through which we have descendants with the same characteristcs.
The parts of the reproductive systems, male and female.
The sexual cells
The ovule is the female sexual cell. It is bigger than the spermatozoa. It is round in form. It is made in the ovaries. The spermatozoa is the male sexual cell. It has got a tail. It floats in a liquid called semen. It is produced in the testicles.
PROCESSES
Birth
Pregnancy
Fecundation
When the baby is born.
It's the process that takes place from fecundation to birth.It takes about nine months.
The spermatozoa and the ovule join together and make a new living being..
Menstruation
Every twenty eight days, an ovule enters the ovary. If it is not fecundated, it comes out to the outside with a bit of blood.
FECUNDATION
The zygote divides itself and turns into an embryo.
The ovule matures, exits the ovary and enters the fallopian tubes.
The embryo navigates the fallopian tubes, enters the ovary and sticks to its walls. There it grows until it becomes a baby.
The fertilized ovule divides itself and turns into a different cell called zigote.
One spermatozoa enters an ovule.