Reproductive system
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Name: ______________________________________  Subject: _______________________ Date: _______

Write on the right side what is missing.

   1. The reproductive system

   All living beings are born, grow, reproduce and die. They reproduce to continue the species causing similar beings.

   2. Male reproductive system

   The principal male sex organs are the testicles and penis.

   - The testicles are suspended in a sac called the scrotum. Its mission is to produce sperm which are the male sex cells.

   - The penis is the organ through which sperm comes out.

   3. Female reproductive system

   In women, the sexual organs are inside the body. They are:

   - The ovaries produce eggs or female sex cells.

   - The uterus is a muscular cavity that is underneath the belly.

   - The vagina is the canal that connects the uterus to the outside.

   - The vulva is the external hole of the vagina.

   4. Answer if these organs are male or female:
 

The uterus

  

The penis

  

The testicles

  

The vagina

  

The sperm

  

The egg

  

The ovaries

  

    5. Fertilization


   In humans, fertilization is an internal process. It occurs inside the woman's body. The sperm goes up through the vagina and uterus searching for the egg. Many sperm attempt to cross the membrane of the egg.

   When some of them get it, the membrane of the egg hardens, so other sperm cannot enter. The zygote or egg cell appears when the two nuclei joint.

   The zygote is fixed on the wall of the uterus and the nine-month gestation begins. When the zygote takes human form is called a fetus.

  At the time of the union of sperm and ovum a new being that continues in the body of the mother but it's a different person appears.

   6. Are these statements true or false?

The fertilization occurs in the body of man

  

The egg is the female sex cell

  

The sperm is male sex cell

  

Many sperm enter in the egg

  

The fetus has human form

  

Gestation lasts twelve months

  

The fetus is a person different than the mother

  

   7. The birth

   When the nine months of gestation or pregnancy pass, the fetus comes out of the vagina. It is called the birth.

   The umbilical cord is cut. Its blood contains very beneficial medicinal properties.

   The navel is what remains of the umbilical cord.

   Once the child is born, he can breathe and eat through the mouth. The newborn is fed sucking milk from the mother or baby bottle. There is great joy in the family.

   8. Hygiene of the reproductive system

   We should take into account:

    - Pregnant women should avoid tobacco, alcohol, drugs and some medications that can harm the fetus.

   - It is healthy to wash genitals frequently.

   - Avoid friction and touching.

   9. Answer if these advices are correct or incorrect:

Pregnant should smoke

  

Avoid friction and contact

  

Drink alcoholic beverages

  

Take a shower frequently

  

Avoid drugs

  

| Educational applications | Natural sciences |
In Spanish | Interactive |

®Arturo Ramo García.-Record of intellectual property of Teruel (Spain) No 141, of 29-IX-1999
Plaza Playa de Aro, 3, 1º DO 44002-TERUEL