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]
2 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]2 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
What’s the Answer.............
k0ka [10]
The answer is b) Surveying opinions of fellow classmates

6 0
3 years ago
Hi Please help anyone!??! I need help
rosijanka [135]

Answer:

TRansverse and air

Explanation:

5 0
3 years ago
Which sequence correctly indicates the branching pattern of the human respiratory system?
larisa86 [58]

Answer:

A

Explanation:

7 0
2 years ago
Which is a requirement for natural selection to occur?
KIM [24]

Answer:

Fewer Offspring than the environment can support

Explanation:

It takes time for  a creature to adapt to its  Environment. So that puts off 2.

Your guaranteed to get traits from your parents so that rules out #1

There isn't really an equal probability of survival for an offspring, ruling out #3.

So that leaves us with 4. I'm not biology expert, I'm just letting you know how I did this problem.  Just in case i'm wrong, I would double check with other answers :)

4 0
2 years ago
Read 2 more answers
Animals can either be unicellular or multicellular depending on the species
kati45 [8]

True. Things such as a sponge, placozoa and stuff can be unicellular. But other bigger animals are multicellular, like a whale or dog.

7 0
2 years ago
Read 2 more answers
Other questions:
  • Why doesn't crossing over happen in mitosis?
    14·1 answer
  • Which is a step of the scientific method in environmental science? A. Testing a hypothesis B.Carrying out research C.Collecting
    13·2 answers
  • A patient who has raynaud's disease will begin taking an alpha-adrenergic blocker. the patient asks the nurse how the drug works
    10·1 answer
  • f a scientist is observing biotic and abiotic factors, which of the following level of organism must she be studying? A. A popul
    7·1 answer
  • incomplete dominance is seen in snapdragon. The allele that causes red flowers (F) is not completely dominant over the allele th
    12·2 answers
  • Which component is more medial: the right lung or the tracheal bifurcation?
    10·1 answer
  • Ten different types of culture media were inoculated with the same strain of bacteria and incubated at the same temperature. Nin
    13·1 answer
  • Binary fission is the most common form of reproduction in
    11·1 answer
  • Diagram that shows the force inside plant cells that allow plants stems and leaves to stay rigid and up right
    13·1 answer
  • climate change may require mitigation and adaptation. Explain how these meet could deal with climate change ​
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!