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mel-nik [20]
3 years ago
14

Brad was in a car accident. his heart started racing, he begins perspiring and his digestion is inhibited. these reactions are m

ost closely related to the
Biology
1 answer:
Kruka [31]3 years ago
4 0
Sympathetic nervous system.
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A student wants to know the effect a mutation might have on a species' survival. The change causes a rabbit to have mottled brow
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Answer:a

C

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Is____the fluid component of blood.
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Plasma is the liquid component of blood.

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The following are the main steps in the generation of an action potential. 1. Sodium channels are inactivated. 2. Voltage-gated
IceJOKER [234]

Answer:

<h2>B) 4, 6, 7, 1, 2, 3, 5</h2>

Explanation:

Action potential ,the change in electrical potential associated with the passage of an impulse along the membrane of exciting cell. The order of steps in generation of action potential is-4.A graded depolarization brings an area of an excitable membrane to threshold.→ 6. in excitable membrane ,after that, Sodium channel  get activated,→ 7. aftre that  Sodium ions enter the cell and depolarization occurs,→1.after that, then Sodium channels are  inactivated,→ 2. Voltage-gated potassium channels open and potassium moves out of the cell, initiating repolarization, →3. Sodium channels regain their normal properties,→ 5A temporary hyperpolarization occurs.

3 0
3 years ago
How many layers does a muscle fascicle have connective tissues
uranmaximum [27]

A muscle fascicle have three layers of connective tissues.

<h3>What are connective tissues?</h3>

Connective tissues are tissues which connects layers of organs or tissues together.

A muscle us a type of tissue.

A muscle fascicle have three layers of connective tissues called:

  • epimysium,
  • perimysium, and
  • endomysium

Therefore, a muscle fascicle have three layers of connective tissues.

Leran more about connective tissues at: brainly.com/question/408637

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8 0
2 years ago
An astronomer states that Star P has a lower absolute brightness than Star Q. How would you translate this observation for a non
aleksandr82 [10.1K]

Answer:

Star P is smaller than star Q

Explanation:

Absolute brightness is defined as brightness of a celestial object or star from a  Standard distance usually taken as 10 parsecs from Earth. If one star is brighther than the other then there can be two variable playing major role given that they are at same distance –  

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The larger the star, the more energy it will emit per second and hence more will be its absolute brightness.  

Thus, star P is smaller than star Q

6 0
3 years ago
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