1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
denis23 [38]
3 years ago
13

When Mr. Valdez thought his 1-year-old daughter had fallen down the stairs, his heartbeat accelerated, his blood pressure rose,

and he began to perspire heavily. Mr. Valdez's state of arousal was activated by his ________ nervous system
Biology
1 answer:
prohojiy [21]3 years ago
3 0

Answer:

Sympathetic Nervous System.

Explanation:

Sympathetic nervous system is one of the parts of Autonomic nervous system and the other part is Parasympathetic nervous system.

As a whole the autonomic nervous system controls the unconscious responses of our body.

The main function of the Sympathetic nervous system is to stimulate the 3F response of the body. Here 3F refers to Fight, Flight and Freeze. Adrenal gland is stimulated by this system which secretes adrenaline. Due to the effect of adrenaline heart neat increases, blood pressure increases, pupils dilate, sweat glands are activated, peristalsis in the gut is inhibited, and kidney secretion increases.

You might be interested in
How do fossil fuels contribute to the following: global climate change, air pollution/ acid rain, ocean/water pollution, human h
Brums [2.3K]
Fossils fuels are bad for the environment because it emits air pollutants that are bad. When fossil fuels are burned it causes something called Sulfur dioxide, which causes acid rain.
7 0
3 years ago
In angiosperms, what is the name of the outer epidermal layer that protects the plant body?
Mamont248 [21]

Answer:

cuticle

Explanation:

6 0
2 years ago
Read 2 more answers
How long does it take for a package to come from uk to arizona?
Sunny_sXe [5.5K]
It depends most packages take 2-3 weeks so I’m guessing about 4 or 5?
4 0
3 years ago
Organic matter in soil is also called _____.
9966 [12]

Answer:

The correct answer would be humus.

Humus is the organic material of the soil formed by the decomposition of the dead plants and animals. It is thick and dark in color (brown or black) and can also be produced by the process of composting.

It is very for the soil as it adds moisture to the soil, enhances the structure of the soil which increases the aeration and drainage.

It favors the growth of organisms (such as earthworm) helpful for the growth of plants and adds lots of nutrients to the soil, specially nitrogen.

In contrast, loam is a type of soil which is composed of silt, sand, and clay in 40-40-20 ratio. Regolith referred to the superficial layer covering the solid rocks or bedrock. It is formed by the accumulation of soil, dust, broken rocks etc on the bedrock.

Lastly, talus referred to the slope which is formed by deposition of shattered rock debris at the base of a cliff.

7 0
2 years ago
Read 2 more answers
Which ones are correct?
Anna11 [10]
Anticline I believe would be the answer but in not the smartest so yeah
3 0
3 years ago
Other questions:
  • After watching the squirrels at the local park for several days, Sergei asks his science teacher the following question: "Do mor
    6·2 answers
  • Which energy carriers are produced be the Calvin cycle
    5·2 answers
  • Which of the following contains only nerves and connects the brain and the spinal cord to the rest of the body
    7·2 answers
  • Although all of the cells of a plant contain the same genetic material, root cells and leaf cells are not identical because they
    12·1 answer
  • Nitrogen is an essential component for the growth of plants but they cannot take it
    10·1 answer
  • What determines the kind of genes an organism possesses..???
    8·1 answer
  • Igneous rocks turn into sediments through the process of ______.
    7·1 answer
  • Based on the data, which of the following is the most likely diagnosis?
    7·2 answers
  • Please help tysm guys!! <3
    13·2 answers
  • Plz answer them and thank you
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!