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
julia-pushkina [17]
3 years ago
8

During exercise, sympathetic input to the heart is increased. Stroke volume is often maintained, or even increased, even though

heart rate is also increasing. How is this possible
Biology
1 answer:
pantera1 [17]3 years ago
4 0

Answer:

1. Sympathetic input increases ventricular contractility, thereby increasing stroke volume.

2. Sympathetic input decreases conduction time within the heart, decreasing the delay between atrial and ventricular contractions.

3. Sympathetic input increases the speed of ventricular contraction.

You might be interested in
N
vichka [17]
<h2>Answer:C Gizzards in bird and teeth in mammals</h2>

Explanation:

I took the test and got 100. Your Welcome

3 0
2 years ago
Read 2 more answers
Please help! Match each organism with the correct trophic level it occupies in the food chain.
ale4655 [162]

Blueberry: 1st Trophic Level

Rabbit: 2nd Trophic Level

Snake: 3rd Trophic Level

Cat: 4th Trophic Level

Hope this helps :P

plz give me the brainliest if it does : )

7 0
3 years ago
Read 2 more answers
PLEAEE ANSWER QUICKLY, first one GETS BRAINLY
tigry1 [53]
What’s the question
6 0
3 years ago
Read 2 more answers
At the completion of meiosis I, are the cells diploid or haploid? Explain.
WITCHER [35]

Answer:

During meiosis I, the cell is diploid because the homologous chromosomes are still located within the same cell membrane. Only after the first cytokinesis, when the daughter cells of meiosis I are fully separated, are the cells considered haploid.

6 0
2 years ago
If you remove the starfish from a shoreline area what happens to the mussel populations
Mnenie [13.5K]
Looking at the food chain & relationships between organisms can give you a good idea of theoretical cause and effects.

For example:

Starfish are the natural predators of the mussel. If the starfish, that eat the mussels, were to be taken out of the picture: there would most likely be a higher population of mussels.
6 0
3 years ago
Other questions:
  • Which predictions made by lamarck turned out to be valid?
    8·1 answer
  • Rna processing drag the correct labels under the diagrams to identify the events of rna processing.
    5·1 answer
  • One of Mary and Jose's classmates agreed that the conditions for taking the survey were controlled, but she said that the result
    5·1 answer
  • Enzymes work by _____.
    15·2 answers
  • Atoms,biomolecules,organelles,cell which is smallest to biggest
    8·1 answer
  • Cranial nerve II, the optic nerve sends nerve impulses to the brain carrying information about the things we see. These nerve fi
    5·1 answer
  • Why do food chains end?
    9·2 answers
  • What type of molecule is hemoglobin
    5·1 answer
  • Assume these are the demographics of a small country in Asia:
    8·1 answer
  • give This question a shot and I’ll give you brainliest no links posted on My question or I will report you
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!