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
liberstina [14]
3 years ago
9

As your muscles contract during activity, more blood is returned to the heart. which variable would be affected and what would b

e the outcome of this action?
Biology
1 answer:
timama [110]3 years ago
6 0
Heart rate. <span>From this site, the two channels of the autonomic nervous system originate the sympathetic and parasympathetic components. The sympathetic components increase heart rate by releasing the neural hormone catecholamines - epinephrine and norepinephrine. These hormones are cardio accelerators. Acceleration of the heart rate is called tachycardia.</span>
You might be interested in
Regulation and maintenance of constant internal conditions in an organism
KIM [24]
The answer is D homeostasis. For A, hemoglobin is a protein exists in blood and can bring oxygen. For B, photosynthesis is a process of converting CO2 to glucose using the energy of light. It occurs in chloroplast. For C, hypothesis means suppose.
8 0
4 years ago
The function of the eardrum is to
Allisa [31]

Answer:

Ear drum vibrates when the sound hits its function is to send these vibrations into the inner ear

Explanation:

3 0
3 years ago
Read 2 more answers
When precipitation falls onto land surfaces, it is either soaked into the ground or becomes runoff. Runoff is surface water that
Mazyrski [523]
D. Watershed - a watershed is the area in which runoff, rivers, and streams run into a larger body of water
7 0
3 years ago
Read 2 more answers
What is the primary function of the carbon cycle
Aneli [31]
The primary function of the carbon cycle is to recycle carbon throughout the biosphere, including the atmosphere.
7 0
3 years ago
why are archaea in a different domain from bacteria they are thought to have separate paths of evolutionary development they are
liubo4ka [24]

Archaea differ from bacteria in cell wall composition and differ from both bacteria and eukaryotes in membrane composition and rRNA type the reason why archaea in a different domain from bacteria .

Archaea differ in the fact that their cell wall does not contain peptidoglycan and cell membrane uses ether linked lipids as opposed to ester linked lipids in bacteria. Archaea do not have interior membranes but both have a cell wall and use flagella to swim.

Organisms can be classified into one of three domains based on differences in the sequences of nucleotides in the cell's ribosomal RNAs (rRNA) . Archaea have unique characteristics include their ability to live in extremely hot or chemically aggressive environments, and they can be found across the earth, wherever bacteria survive.

To learn more about Archaea , here

brainly.com/question/1475001

#SPJ4

3 0
2 years ago
Read 2 more answers
Other questions:
  • Which organ is the male copulatory organ? vas deferens/testes/ scrotum/ penis
    13·2 answers
  • A geologist finds an unidentified fossilized rock in a box in the attic. What type of dating would the scientist attempt to use
    11·2 answers
  • A molecular biologist measures the mass of cofactor A in an average yeast cell. The mass is 24.7pg. What is the total mass in mi
    11·1 answer
  • What is a decomposers
    6·1 answer
  • Kertas Ramalan SPM /
    5·1 answer
  • What is Luca?<br>Pls explain!​
    9·2 answers
  • In humans, cells that line the small intestine have hairlike projections that increase the surface area for the absorption of nu
    5·2 answers
  • Which of the following is not directly involved in the process of protein production?
    15·2 answers
  • What term describes the continuation of a visual sensation.
    7·1 answer
  • When dna polymerase progresses during dna replication, how is the correct new nucleotide selected to be next?.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!