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Gnesinka [82]
3 years ago
8

Which of the following does NOT describe a basic regulator of digestive control?-Short reflexes act locally in the GI tract.-pH,

stretch, and osmolarity are some of the inputs that can initiate digestive responses.-conscious neural control-Digestive effectors are smooth muscle and glands.
Biology
1 answer:
spayn [35]3 years ago
3 0

Answer:

conscious neural control

Explanation:

Neural control of digestive tract is unconscious achieved via the autonomic nervous system.

Local nervous system of the digestive system is called the enteric or intrinsic nervous system. The major components of this nervous system are two networks or plexuses of neurons:

• The myenteric plexus – controls digestive tract motility

• The submucous plexus - regulates gastrointestinal blood flow and controls epithelial cell function.

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The __________ abuts the lumen of the alimentary canal and consists of epithelium
Misha Larkins [42]

Question is incomplete. Complete question is as follows:

The ____ abuts the lumen of the alimentary canal and consists of epithelium, lamina propria, and muscularis mucosae.

Answer:

Mucosa

Explanation:

Mucosa or mucosal membrane forms the lining of many cavities in the body like the alimentary canal and also covers many internal organs. It lines reproductive, digestive and respiratory system. In the gastrointestinal tract the mucosa is made of three layers: epithelium, lamina propria and muscularis mucosae.

The epithelium of mucosa is made of simple columnar epithelium cells. It consists of many types of cells like parietal cells (secrete HCL) and foveolar cells (secrete mucus). Lamina propria is a loose connective tissue present beneath the epithelium. It provides nutrition and support to epithelium. Muscularis mucosae has smooth muscle fibers which helps the glands on the surface to secrete their contents and also increase the contact between contents of lumen and epithelium.

5 0
3 years ago
g Two closely related species of plant (A and B) hybridize to form a new species (C). Species A is diploid and has 8 chromosomes
Aleks04 [339]

Answer:

allopolyploidy

Explanation:

Polyploidy is the condition by which a cell might have more than two chromosome sets that form homologous pairs. It might occur due to a failure or abnormality in cell division.  

Autopolyploidy

Refer to a type of polyploidy in which an organism has more than two copies of homologous chromosomes. It results from the duplication of a group of chromosomes of the same species. Autopolyploid individuals have <u>at least three groups of homologous chromosomes</u>. Autopolyploidy is produced by the<u> gamete fusion of the same progenitor - same species</u>-, duplicating the number of chromosomes of diploid species. The autopolyploid cell has groups of homologous chromosomes. Autopolyploidy is produced mainly due to non-disjunction during meiosis.

Allopolyploidy

Refer to another type of polyploidy in which species have more than three sets of chromosomes in their cells. Allopolyploidy <u>occurs when two different species mate</u>, leading to the fusion of gametes that belong to different species and produce a new hybrid. The chromosomic complement has more than two copies of chromosomes. The hybrid is infertile with the parental species. The allopolyploid cells have chromosome groups that are not homologous.  

In the exposed example two different species mate and produce a hybrid species.

8 0
2 years ago
Explain what happens to rocks after their elastic limit is passed.
gizmo_the_mogwai [7]
<span>The will deform physically in a permanent way. Depending on Factors such as pressure and temperature the rock either continues to deform or fractures will occur.</span>
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Which of the following is not related to environmental conservation efforts?
olasank [31]
I need more to answer 
4 0
2 years ago
PLEASE ANSWER, YOU GET 10 POINTS BC I SELECTED 15!
siniylev [52]

Answer that does not describe the structure of an atom: The electron clod is a small and compacted space around the nucleus.

Bye and thx ;)

3 0
3 years ago
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