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Vsevolod [243]
3 years ago
6

Muscle tissue that is attached to what is skeletal muscle

Biology
1 answer:
Murrr4er [49]3 years ago
4 0

Answer:

tendons

Explanation:

Skeletal muscles are attached to bones by tendons, and they produce all the movements of body parts in relation to each other. Unlike smooth muscle and cardiac muscle, skeletal muscle is under voluntary control.

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3.The reduced potential causes hundreds of a)________________________ channels to open on that part of the cell membrane. The de
wlad13 [49]

The reduced potential causes hundreds of <u>voltage-gated sodium</u> channels  to open on that part of the cell membrane. The depolarization of the cell causes more of <u>voltage-gated sodium </u>channels to open in adjacent parts of the cell membrane. This begins the wave of of <u>depolarization</u>  moving down the axon. Depolarization begins at the <u>axon hillock.</u>

Explanation:

When there is no neuron signaling it becomes polarized, termed as resting membrane potential (RMP) at a threshold voltage (around -55 mV), due to the action of the sodium-potassium pump and the potassium leak channels.  

When a change in the RMP occurs, depolarization takes place which causes the voltage-gated sodium channels to open and sodium ions rush into the nerve cell which in turn will increase the voltage threshold to nearly around +40 mV and also charges the neuron positive. This depolarization moves down the axon. This increase in threshold stops the sodium influx and opens the potassium channels to rush the potassium out of the cell.

All these actions decrease the membrane potential leading to a wave of depolarization and going back to resting state. Depolarization begins depending upon the potential gradient at the axon hillock.

8 0
3 years ago
Match each planet to an accurate characteristic. mercury.
Brums [2.3K]

Answer:

Mercury: It has very little atmosphere

Venus: It barely spins on its axis

Earth: It has an abundance of liquid water

Mars: It has 2 moons.

Explanation:

3 0
3 years ago
Read 2 more answers
Which one of the following statements is true? A. Voluntary hyperventilation results in acidosis. B. Emphysema directly impairs
AlekseyPX

Answer:

The correct answer is option E.

Explanation:

Voluntary hyperventilation results in alkalosis, not in acidosis. Alkalosis takes place when the body possesses too many bases. It can take place due to decreased levels of carbon dioxide or due to enhanced level of bicarbonates in the blood, that is, a base.  

Emphysema directly impairs exhalation more than it directly impairs inhalation. Emphysema refers to a lung disorder, which leads to shortness of breath. In the individuals suffering from the condition, the air sacs in the lungs, that is, alveoli get damaged.  

The hemoglobin-oxygen dissociation curve shifts to the right at the time of metabolic acidosis. The low partial pressure of oxygen within the lungs results in the constriction of pulmonary arterioles. Thus, all the mentioned statements are false.  

8 0
3 years ago
Which items are sources of soil pollution or soil pollutants?
Wewaii [24]
Which items are sources of soil pollution
Answer:plastics
3 0
2 years ago
An unfertilized egg from a female Komodo dragon may develop directly into a young Komodo dragon. This is an example of
scoray [572]

asexual reproduction

One parent cell is needed

The young Komodo dragon will be a girl and look like its mother.

3 0
3 years ago
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