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irina [24]
3 years ago
10

Which one of the following represents the correct order through which food passes in the alimentarycanal:

Biology
1 answer:
konstantin123 [22]3 years ago
8 0

Answer:

D) Mouth, pharynx, esophagus, stomach, small intestine, large intestine.

Explanation:

Food is ingested in the mouth, passes through the pharynx that connects the mouth to the esophagus. It moves down the esophagus by parastalsis. It is further digested in the stomach, absorbed in the small intestine and indigestible material together with fibre is passed to the large intestine where its either digested by freindly bacteria or eliminated as waste by defecation.

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Chemical signal released by nerve cells is:
Crank

Answer:

The correct answer will be option-B.

Explanation:

A neurotransmitter is a chemical messenger used by the nerve cells to transmit the signals from one neuron to another neuron and muscle cell at the synaptic cleft. The common neurotransmitter is acetylcholine, dopamine, serotonin and others.

The neurotransmitter can be excitatory that is causing the generation of the action potential in the neurons or inhibitory that is prevent the generation of neuron in neuron cell. This depends on the receptors to it binds.

The neurotransmitters can be degraded or can be taken back after the work is completed. thus, Option-B is the correct answer.

3 0
3 years ago
Fungi of the phylum Basidiomycota form mycorrhizal
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Answer:

The orchids derive nutrients from the association at very young stages of its life cycle while the fungi obtain water and organic matter

Explanation:

As stated in this question, fungi species belonging to the phylum Basidiomycota form mycorrhizal associations with a flowering plant called orchids. This relationship is a mutualistic one because both participants benefit from the relationship.

In this association, the young orchid plant relies on the mycorrhizal fungi's metabolism to get nutrients needed for its development in form of carbohydrates while the fungi in return gets water (from the roots of the plant) and organic matter.

7 0
2 years ago
What is the powerhouse of the cell
Phoenix [80]

Answer:

Mitochondria

Explanation:

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  • Mitochondria performs cellular respiration process from which they can release energy present in food and nutrients.
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7 0
3 years ago
What are 3 parts of observation?
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<span>They eat iron pipes corroding the pipes leading into households and produce a thick slime layer  biofilm.</span>
7 0
2 years ago
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