Match the information given with the correct stage of labor: 1st (dilation), 2nd (expulsion), or 3rd (placental). 1. Stage that has the onset of regular uterine contractions and dilation of the cervix___.
2. Stage in which the cervix dilates to a diameter of about 10 cm.
3. The stage which commonly lasts 8-24 hours.
4. The stage in which the amniotic sac ruptures.
5. The stage in which the baby exits the vagina.
6. The stage which commonly lasts from a few minutes to an hour.
7. The stage in which contraction of the woman's abdominal muscles assists the uterine contractions.
8. The stage in which the placenta is expelled from the uterus.

The correct answer is -

1) 1st stage

2) 1st stage

3) 1st stage

4) 1st stage

5) 2nd stage

6) 2nd stage

7) 2nd stage

8) 3rd stage.

Explanation:

Labor has three different stages 1st (dilation), 2nd (expulsion), or 3rd (placental).

Stage 1st: It is the stage that starts with dilation of the opening of the cervix to 10 cm and contraction of the uterus.

Stage 2: in this stage fetus head moves to the cervix and gets into the birth canal of the mother.

stage 3. The placenta and umbilical cord expel from the mother and this is cut after the delivery.

explanation:

b,bacteria convert nitrates

into nitrogen gas.

d,plants and animals take in

and use nitrogen compounds.

e,bacteria break down waste    

products and return nitrogen  

to the soil.

a,bacteria convert atmospheric

nitrogen to ammonia.

c,bacteria convert ammonia

to nitrites and nitrates.