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emmasim [6.3K]
3 years ago
6

Describe the effects of NE and Ach on contractile force that you observed today. Given your knowledge of sympathetic and parasym

pathetic nervous system anatomy, which neurotransmitter should have resulted in a more dramatic change in contractile force and why?
Biology
1 answer:
Afina-wow [57]3 years ago
3 0

Answer:

The answer is Norepinephrine.

Explanation:

Acetylcholine (Ach) and Norepinephrine (NE) are both chemical substances (neurotransmitters) released primarily by nerve cells and they affect different parts and systems of the body. Acetylcholine mostly targets the muscles and the brain and it is a part of the parasymphatetic nervous system whereas norepinephrine targets the whole body and has an effect that leads to the contraction of muscles and the increase of the heart rate. Norepinephrine is a part of the symphatetic nervous system.

Since the symphatetic nervous system is responsible for the crucial "fight-or-flight" response of our body, it has a more dramatic effect on the muscle contraction. Norepinephrine, being a part of the symphatetic nervous system, should result in a more drastic change in contractile force.

I hope this answer helps.

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the diagram shows the movement of water through a plant which two terms or phrases describe the process shown
azamat

Answer:

B. Open Stomata

C. Transpiration

Explanation:

Even though plants take up a lot of water from their roots, they lose about 95% of it to the atmosphere in the process known as Transpiration.

Transpiration is done for several reasons: it cools the plant down, it enables plants to access the nutrients in the water as the water moves along the plant and it enables gaseous exchange.

The gaseous exchange happens because carbon dioxide comes in from the same holes on the leaf that the water leaves through to the atmosphere, the open stomata.

7 0
3 years ago
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timurjin [86]

Answer:

Nomad

Explanation:

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I hope it's helpful!

6 0
2 years ago
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Answer:

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5 0
3 years ago
What is the name of the process by which the cytoplasm divides in two?
Kamila [148]

Answer:

Cytokinesis

Explanation:

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Karyokinensis involves the division of the genetic material (DNA) in the nucleus. The chromosomes are initially separated into opposite poles/ends inside the cell. After which the cytoplasm of the whole cell then separates resulting in two daughter cells each having its own genetic material. This process is called CYTOKINESIS.

Although CYTOKINESIS occurs in all eukarotes and prokaryotes, the way it occurs in the eukaryotic plant and animal cells differ in the sense that, in animals, it occurs with the formation of a cleavage furrow as a result of pinching inward of the cell membrane until the two daughter cells form while in plants, a cell plate is formed at the cell's centre and a new membrabe and cell wall is formed around each cell plate.

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