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charle [14.2K]
3 years ago
15

The ________ nervous system innervates the intestinal mucosa and may stimulate the secretion of intestinal enzymes.

Biology
1 answer:
masya89 [10]3 years ago
5 0
Autonomic nervous system innervates the entirety of the gastrointestinal tract
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Suppose the femur bone of an animal has 1,000 atoms of carbon-14 when the animal dies. How many atoms of carbon 14 will be prese
shtirl [24]

Answer:

After 6000 years, approximately 500 atoms of carbon-14 will be left in the femur bone of an animal which had 1000 atoms of carbon-14 when the animal died.

Explanation:

The half-life of a radioactive isotope of an element is the time taken for half the atoms present in a given amount of the element to undergo decay or disintegration. For example, the half-life of carbon-14 isotope is 5730 years. This means that, if there are 100 atoms of carbon-14 present in a given sample of a material, in the next 5730 years, approximately, 50 atoms of carbon-14 will be left in the material.

Since the half-life of radioactive isotopes are constant, these radioactive isotopes are used in the determining the ages of ancient life-forms as well as rocks.

In the given example, after 6000 years, approximately 500 atoms of carbon-14 will be left in the femur bone of an animal which had 1000 atoms of carbon-14 when the animal died.

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Which drug can cause weight gain, acne, high blood pressure, and liver and kidney tumors?
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Alcohol and marijuana
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Give 3 characteristics of the FIVE phylum in chordata<br><br>​
aleksley [76]

Answer:

notochord, a dorsal hollow nerve cord and pharyngeal slits.

6 0
3 years ago
The organismal theory teaches that _____.
natita [175]

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A. the basic unit of life is the organism

Explanation:

According to the organismal theory, organisms are the basic unit of life. The organismal theory contradicts the cell theory of life. The organismal theory states that some of the organisms do not have distinct cells. For example, fungi.

Since the cells in the multicellular organisms are interconnected by one or other means, organisms are the structural unit of life; not the cells.

The organismal theory states that irrespective of the level of body organization present in an organism, all the components such as cells, tissues, organs, etc. work together to facilitate growth and development of whole organisms.

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Aka when skin cells swell from excess water
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