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3 years ago

Help!!! What structures could you see under high power that you could not see under low power?

Biology

2 answers:

pickupchik [31]3 years ago

6 0

<h2>Answer:</h2>

The depth of focus is greatest on the lowest power objective. Each time you switch to a higher power, the depth of focus is reduced. Therefore a smaller part of the specimen is in focus at higher power.

The amount of light transmitted to your eye is greatest at the low power. When you switch to a higher power, light (and therefore resolving power, or the ability to distinguish two nearby objects as separate) is reduced. Compensate with the light control (sometimes called the iris diaphragm

hope this help! ^^

OverLord2011 [107]3 years ago

5 0

Answer:

The field of view is widest on the lowest power objective. When you switch to a higher power, the field of view is closes in. You will see more of an object on low power.

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Select the cues that indicate that an animal is about to give birth. cervix dilates mucus strings from vulva placenta is deliver

Svetradugi [14.3K]

Answer:

The four stages of labor:

The first stage of labor

In the first stage of labor the Thinning (effacement) and opening (dilation) of the cervix. This is called effacement and dilation(of the cervix).

The process is explained systematically and its very very simple to say that When the cervix dilation happens and mucus strings from vulva placenta is delivered then the child birth is near.

Explanation:

The first stage of labor has three parts:

Early labor:The cervix opens to 4 centimeters. The female will probably spend most of early labor at home. The female should keep herself busy in doing her usual activities. Relax, rest, drink clear fluids, eat light meals if she wants to, and keep track of her contractions.
Active labor: The cervix opens from 4 to 7 centimeters. This is when the female should head to the hospital. When she has contractions every 3 to 4 minutes and they each last about 60 seconds, it often means that the cervix is opening faster (about 1 centimeter per hour).
Transition to second stage: The cervix opens from 7 to 10 centimeters. For most women, this is the hardest or most painful part of labor. This is when the cervix opens to its fullest.

Second stage of labor

The baby moves through the birth canal

The second stage of labor begins when the cervix is completely dilated (open), and ends with the birth of the baby. Contractions push the baby down the birth canal, and the female may feel intense pressure, similar to an urge to have a bowel movement.

Third stage of labor

Afterbirth: The uterus continues to contract to push out the placenta (afterbirth).

Fourth stage of labor

Recovery:Nursing right after the birth of the baby will help the uterus to contract and will decrease the amount of bleeding.

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