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3 years ago

Which best describes the parasympathetic nervous system?

Biology

2 answers:

vladimir2022 [97]3 years ago

8 0

Answer: The correct answer is -

B. rest and digest.

Parasympathetic nervous system is one of the two branches of autonomic nervous system, which is also called as rest and digest system of the body.

This system is stimulated by the neurotransmitter Acetylcholine and it conserves energy by slowing down the energetically driven processes (such as it slows the heart rate) and therefore termed as rest and digest system.

Thus, option B) is the right answer.

V125BC [204]3 years ago

7 0

B) rest and digest is your answer.

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Which of the following statements about the development of infectious diseases is correct?

zalisa [80]

The period of Convalescence is the time during which the person regains health and fully recovers.

Explanation:

Diseases that can spread from one person to other are called infectious disease.
Disease development is divided into Incubation period, Prodromal period, period of illness, Decline period, and period of Convalescence.
During incubation period the pathogen enters the host body and starts multiplying itself. But the signs of diseases are unnoticeable.
Then comes the prodromal period, when the pathogen keeps multiplying itself and some signs of disease are observed but they are not obvious
After the prodromal period comes the period of illness when the patient exhibits obvious signs of sickness.
As the period of illness is over the symptoms of disease start to cease and the the number of pathogen decrease in body.This period is the period of decline.
Finally comes the period of Convalescence when the person returns to his pre-disease state and is completely healthy. (except irreversible damage caused by the disease)

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3 years ago

According to the theory of plate tectonics, which is one feature that plates carry?

Phoenix [80]

Answer:

seafloor

Explanation:

A plate, often described as a lithospheric plate, with seafloor, continents and mountains on top of it.
The earth is divided into three layers based on their chemical composition. Undoubtedly, there is a component called the lithosphere.
The lithosphere consists of a crust and a portion of a solid upper mantle.
Below the lithosphere is the asthenosphere.
There are two types of crusts: the continental crust and the oceanic crust.
Where there is a seabed there is a sea crust.
Mountains are also found in oceanic and continental crusts.
The intercontinental layer corresponds to the continents.

8 0

4 years ago

Read 2 more answers

Which statement explains why desert plants close stomata during the day but open them at night?

yuradex [85]

Answer:

the answer is C

Explanation:

Stomata are pores localized in the plant epidermis whose function is to regulate gas exchange between plants and the atmosphere. Generally, stomata open during the day to allow the diffusion of carbon dioxide (CO2) and close during the night to avoid water loss (i.e., transpiration). On the other hand, CAM plants photosynthesize during the day, and exchange gases (CO2 and O2) during the night. Thus, desert CAM plants open their stomata during the night and close them during the day hours. These desert plants open stomata at night to absorb CO2 and close them during sunlight hours to prevent transpiration.

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3 years ago

Which organelle provides protections and support to a cell? Cell wall, Cytoplasm, Nucleus, Ribosome

givi [52]

Answer:

The answer is a cell wall.

Explanation:

Cytoplasm is the organelle that keeps the other organelles together. The nucleus is the cell that conducts and instructs the cells activities. The ribosome contains RNA. Cell wall is the most reasonable.

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3 years ago

Read 2 more answers

A 2-day-old infant who weighs 6 lb (2722 g) is fed formula every 4 hours. newborns require about 73 ml of fluid per pound (454 g

Tcecarenko [31]

The answer would be 72.94 ml/times

In this problem, the infant is fed for every 4 hours. Then, the frequency of feeding for a day would be: (24hours/day) / 4 (hours/times)= 6 times/ day.
The volume of feeding for a day that the infant need would be: 2722 g/(<span>454 g/73ml)= 473.68ml
The number of milk for every fed would be: (</span>473.68ml/day)/ (6 times/day)= 72.94 ml/times

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3 years ago