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Ber [7]
3 years ago
7

How many neurons are in human brain?

Biology
2 answers:
damaskus [11]3 years ago
7 0
Heaps and heaps and heaps and heaps of them!


pychu [463]3 years ago
6 0

The brain consists of 100 billion brain cells called neurons, which form enormous networks with each other.

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Where do bile and pancreatic enzymes enter the small intestine?
BartSMP [9]

Answer:

The correct answer is duodenum

Explanation:

Bile is a digestive enzyme that is secreted by the liver which is temporarily stored in the gall bladder and pancreatic enzyme is released by the pancreas. The bile is secreted to the small intestine through the common bile duct and the pancreatic duct joins the common bile duct just before ampulla of Vater which opens in the first intestinal portion which is duodenum.

So bile and pancreatic enzymes enters the duodenum region of the small intestine and after getting in the small intestine it digests the complex macromolecules into simpler and smaller form which can be absorbed through the intestinal epithelium.  

7 0
3 years ago
Describe hydrogen bonding
snow_tiger [21]

A hydrogen bond is the electromagnetic attraction between polar molecules in which hydrogen is bound to a larger atom, such as oxygen or nitrogen. This is not a sharing of electrons, as in a covalent bond. Instead, this is an attraction between the positive and negative poles of charged atoms.

Hope this helped :)

3 0
3 years ago
Which of the following best describes the logic of scientific inquiry?
beks73 [17]

Answer:

d. if my hypothesis is correct, I can expect certain test results

Explanation:

To create a theory is not enough to state an assumption. Called scientific research, the practice tries, through a logical procedure, to produce tested, proven and safe scientific knowledge. This concept is based on the logic of scientific research that states that a hypothesis must be tested, because if the hypothesis is correct, certain test results can be expected. For this, some rules or phases are part of the process. And they are: observation, hypotheses, research method and conclusion.

Thus, we can conclude that among the alternatives presented, the one that best describes the logic of scientific investigation is the letter D.

4 0
3 years ago
What kind of injury occurs most often in fireworks accidents?
EleoNora [17]
Hello! The correct answer for the question is: Burns.



I really hope this helped you! c:
4 0
3 years ago
Why are cells so small?
Harrizon [31]
The surface area to the volume ratio gets smaller as the cell gets larger. If the cell grows beyond a certain limit not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume.

Hope that helps
5 0
2 years ago
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