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NeX [460]
3 years ago
5

Teddy is afraid of needles and injections. whenever the nurse attempts to give him an injection, he screams and flails his arms

and legs wildly. his heart rate increases, and he begins to sweat profusely, which indicates activation of the
Biology
2 answers:
iren2701 [21]3 years ago
6 0
Answer:  "sympathetic nervous system" .
__________________________________________
jeka943 years ago
3 0

Answer:

sympathetic nervous system

Explanation:

The sympathetic nervous system is responsible for changes in the body in stress or emergency situations. This leaves the individual on alert, ready for fight and flight reactions.

Since Teddy is terrified of needles, taking a shot is a very stressful time for him, so when he finds himself facing a needle in the syringe, his sympathetic nervous system is activated and his body goes into a fight and flight state, so , he begins to have reactions such as shouting and shaking his arms and legs wildly. In addition his heart rate increases and he begins to sweat profusely.

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Explain why natural selection is an advantage to organisms.
MAVERICK [17]

Answer:

Natural selection is the process through which populations of living organisms adapt and change. Individuals in a population are naturally variable, meaning that they are all different in some ways. ... Individuals with adaptive traits—traits that give them some advantage—are more likely to survive and reproduce.

4 0
2 years ago
10.   An example of an atom that has no charge is one that has
Kruka [31]
Is called a neutral atom
4 0
3 years ago
What is the difference between the life cycle of ferns and the life cycle of humans?
Bond [772]
Ferns make their own food. They grow and reproduce using spores instead of things like seeds. Humans on the other hand have to ingest food from their surrounding and when mature reproduce sexually. They can also choose if they want to reproduce or not while ferns don't have that option. Sexual reproduction is based on inseminating and egg cell, while ferns don't worry about this because the spores just fall on the ground.
3 0
3 years ago
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AleksAgata [21]

Answer:

Yes.

Explanation:

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2 years ago
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Radda [10]
<span>I belive the answer is D. Burbank's process did not involve environmental pressures to shape the outcome. 

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