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lukranit [14]
3 years ago
13

An emergency reaction when dealing with a threat often includes sympathetic nervous system arousal and the mobilization of one's

energy. this is best illustrated by
Biology
1 answer:
Vladimir79 [104]3 years ago
3 0

An emergency reaction when dealing with a threat often includes sympathetic nervous system arousal and the mobilization of one's energy. this is best illustrated by - the fight or flight response.

A fight or flight response, also called hyper arousal is a physiological reaction which occurs in response to a perceived harmful event, attack, or threat to survival.

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megakaryocytes are huge cells found in red bone marrow that extend long tendrils into blood sinusoids. The flow of blood breaks
vampirchik [111]

Answer:

Platelet

Explanation:

In 1906 James Homer Wright established that platelets, seen as hyaline bodies or vacuoles, are formed in the cytoplasm of megakaryocytes in the bone marrow, which then disintegrate and pass as platelets into the circulation. Megakaryocytes are cells of the myeloid lineage. They originate platelets (or thrombocytes) by cleaving parts of their enormous cytoplasm directly into a sinusoid vessel. The function of platelets is to form thrombi to prevent blood loss in small blood vessel ruptures.

7 0
3 years ago
Imagine you accidentally knocked a vase off a table and onto the floor. Describe the forces that would act on the vase before an
bagirrra123 [75]

The forces which acts on the vase before the fall include:

  • Force exerted by the table.
  • Force of gravity.
  • Drag

<h3>What is Force?</h3>

This is described as an influence which changes the motion of an object. The force exerted before motion is that which is exerted by the table , drag and force of gravity.

During fall, all other forces act except that exerted by the table thereby making it the most appropriate choice.

Read more about Force here nhttps://brainly.com/question/12970081

7 0
2 years ago
Which of the following best describes soil texture
serious [3.7K]
The best definition of the texture of soil would be: Rough and damp
5 0
4 years ago
Read 2 more answers
What is the atom structure?
Tomtit [17]

Answer:

The nucleus (center) of the atom contains the protons (positively charged) and the neutrons (no charge). The outermost regions of the atom are called electron shells and contain the electrons (negatively charged). Atoms have different properties based on the arrangement and number of their basic particles.

PLEASE REFER TO MY IMAGE LABELED BELOW TO HELP YOU UNDERSTAND MORE.

HOPE IT HELPS : D

Explanation:

5 0
4 years ago
Which substance gets broken down in a homogeneous mixture
klasskru [66]

Answer: Solute

Explanation: A solution is a homogeneous mixture consisting of a solute dissolved into a solvent . The solute is the substance that is being dissolved, while the solvent is the dissolving medium. Solutions can be formed with many different types and forms of solutes and solvents.

8 0
3 years ago
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