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natita [175]
3 years ago
11

A person is swimming when a fish touches his foot. his heartbeat and breathing increase for a few seconds until he realizes the

fish is harmless. which part of the nervous system returns his heartbeat to normal?
Biology
1 answer:
Elan Coil [88]3 years ago
6 0
The answer would be Parasympathetic.

The Parasympathetic is the part of the nervous system that returns his heartbeat to normal.

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If an rh-negative female conceives a child with an rh-positive male, what is the chance their fetus will be rh-positive?.
kaheart [24]

There is 50% chance of the child to be Rh-positive.

<h3>What is Rh factor?</h3>

Some red blood cells have a protein called a Rh factor. Person with this protein are called Rh-positive while those who don't have are called Rh-negative.

<h3>What will be the blood factor of the child?</h3>

When a Rh negative mother and Rh positive father have a child, the child has 50% chance of being Rh-positive. The child may receive the Rh factor from its father.

<h3>What is Rh incompatibility?</h3>

Your Rh factor blood type often doesn't pose a problem. Being Rh-negative during pregnancy, however, can cause issues if your unborn child is Rh-positive. When your blood and that of your child combine, your body will begin to produce antibodies that could harm your child's red blood cells. Your baby can experience other issues, such anemia, as a result of this.

Learn more about Rh factor here:

brainly.com/question/28189070

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7 0
1 year ago
Which of the following distinguishes why “biosolid” is another name for fertilizers made from sewage sludge?
labwork [276]

Answer:

Sewage facilities remove liquid and then compact solid wastes.

Explanation:

Got it right on the quiz.

3 0
2 years ago
Oxidising agents *
NNADVOKAT [17]

Answer:

Option A. are mostly non-metals.

Explanation:

Oxidising agents are mostly non-metals because non metals gains electron from the metal during chemical bond and we know that oxidising agent is electron accepter not donar. For example, Sodium is a metal react with chlorine which is a non-metal so the sodium losses electron and this electron is gain by chlorine atom forming sodium chloride. In this example chlorine is a non-metal which gains electron.

8 0
3 years ago
What is a major diffrence between facilitated diffusion and active transport
irina [24]

Answer:

Facilitated diffusion require no energy and travels down the gradient of concentration. On the other hand, active transport takes energy and travels up the gradient of concentration.

Hope this helps! Have a great day!!

5 0
2 years ago
Which of the molecules shown in question 5 has an asymmetric carbon? Which carbon is asymmetric?
Elza [17]

Answer:

The molecule on the right; the middle carbon is asymmetric

Explanation:

4 0
3 years ago
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