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
Klio2033 [76]
4 years ago
15

Why is a stimulus required for a muscle to contract?

Biology
1 answer:
Charra [1.4K]4 years ago
7 0
When an individual muscle fiber receives a threshold stimulus, it contracts as much as possible. ... a threshold stimulus is the minimum amount of energy needed to make a muscle fiber contract.
You might be interested in
Bluegill fish reproduce when males fertilize eggs laid by female fish is an example of which?
Dmitrij [34]

Explanation:

Reproduction in Fishes. Nearly all fish reproduce by sexual reproduction - the fusion of sperm produced from testes and eggs produced from ovaries. ... Fertilization is external in most fish species. Large quantities of eggs and sperm are simultaneously released into the water by females and males.

8 0
3 years ago
The beaches at a nearby lake have been closed because of high E. coli counts. The lake is surrounded by agricultural areas and s
Bogdan [553]

Answer:

Runoff from dairy farms causes high E. coli counts

Explanation:

Based on the scenario being described within the question it can be said that one hypothesis for this would be that the runoff from dairy farms causes high E. coli counts. This is because this runoff caries vasts amounts of organisms across the land and brings various animals which drink from the excess water and spread and increase the e.coli count.

6 0
3 years ago
Which part of the atom is involved in bonding?
GrogVix [38]
I believe its C that is resposible for chemical bonding
7 0
3 years ago
How much weight can a giant insect bear?
svetoff [14.1K]
Insects<span>, which are a type of </span>arthropod<span>, are easily the most numerous group of multicellular </span>organisms<span> on the planet, with about a million species identified so far. The title of heaviest insect in the world has many rivals, the most frequently crowned of which is the </span>larval stage<span> of the </span>goliath beetle<span>, </span>Goliathus goliatus<span>, the top size of which is at least 115 g (4.1 oz) and 11.5 cm (4.5 in). The largest confirmed weight of an adult insect is 71 g (2.5 oz) for a </span>giant weta<span>, </span>Deinacrida heteracantha,[1]<span> although it is likely one of the </span>elephant beetles<span>, </span>Megasoma elephas<span> and </span>Megasoma actaeon<span>, or </span>goliath beetles, both of which can commonly exceed 50 g (1.8 oz) and 10 cm (3.9 in), can reach a higher weight.<span>[1]</span>
5 0
4 years ago
Explain how a white fence appears to be white. In your answer, include the colors of light that your eye detects and tell how yo
JulsSmile [24]
<span>White fences reflect all colors. Your eye sees three colors and all three get activated. The brain interprets this as white light.</span>
6 0
3 years ago
Other questions:
  • A predicted increase in global warming affects the north american ecosystem in that
    14·1 answer
  • Cells within multicellular organisms are specialized to perform specific tasks. What is one advantage of specialized cells?
    9·2 answers
  • Basophils of the blood help to get defensive leukocytes to the site quickly by releasing an anticoagulant called __________ and
    13·1 answer
  • Which reaction begins the Calvin cycle?
    7·2 answers
  • One way to classify organisms is by analyzing their genetic information to determine where they belong within a phylogenetic tre
    11·2 answers
  • Why do unsaturated fatty acids form liquid oils instead of solids?
    13·1 answer
  • Why is it important to remember that people are part of the environment too?
    7·2 answers
  • Suggest some method to<br>presevining forest habitan​
    9·1 answer
  • Air masses of different air temperature and humidity can collide with each other, but do not mix easily, separate based on _____
    11·2 answers
  • Why is it important to control the pH level in the body
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!