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
Oduvanchick [21]
4 years ago
11

When a girl bends her arm, she uses a different muscle to bring it back to the original position. why can't she use the same mus

cle to both bend and unbend her arm?
Biology
2 answers:
PilotLPTM [1.2K]4 years ago
8 0
For the answer to the question above, <span>Muscles can only contract, not push </span>

<span>"Muscle fiber generates tension through the action of actin and myosin cross-bridge cycling. While under tension, the muscle may lengthen, shorten or remain the same. Though the term 'contraction' implies shortening, when referring to the muscular system it means muscle fibers generating tension with the help of motor neurons (the terms twitch tension, twitch force, and fiber contraction are also used)."</span>
scoray [572]4 years ago
8 0

Answer:

Muscles can only pull not push

Explanation:

You might be interested in
How do animal-like protists differ from plant-like protists?
In-s [12.5K]
<span> Animal-like protists are autotrophic in nature while plant-like protists are heterotrophic.</span>
4 0
4 years ago
Dna and protein material in a loose and diffuse state is called
romanna [79]
Your answer is going to be A
3 0
3 years ago
Read 2 more answers
Tropical rain forests receive heavy rainfall. How do the trees and plants of this region withstand rotting?
Lina20 [59]

Answer:

The trees and plant withstand rotting in tropical rain forest using some of these mechanisms.

Explanation:

Tropical rain forests are known for the presence of heavy rainfall, due to this, there might be a lot of water retention in the root. Some trees and plants however are able to store this water and use some of the below mentioned methods to prevent decay and rot.

Some trees in the tropical rain forest may produce very hard outer layer, these hard outer layer will protect the plant and trees form predators and microorganisms from penetrating into the inner tissues of the tree.

Some withstand rotting by producing chemical compounds, these chemical compounds prevents predators and microorganisms from destroying the plants and trees.

5 0
3 years ago
Allowing discharged electricity to flow safely into Earth's bedrock is known as,
fiasKO [112]
Geothermal energy maybe is their answer choices
8 0
3 years ago
If the experiment shows the original hypothesis is false, the scientist
dedylja [7]
Re state a new hypithesis

7 0
3 years ago
Other questions:
  • Both sound and water waves require a<br> to travel. This means they are
    13·2 answers
  • Arteries must be thicker than veins to be able to withstand the high pressure the heart exerts as it pumps blood into them. As b
    10·2 answers
  • 1. Do the location of landforms (mountains, trenches, and volcanoes), earthquakes, and mineral deposits have anything in common?
    6·1 answer
  • A particular triplet of bases in the template strand of dna is 5′-agt-3′. What would be the corresponding codon for the mrna tha
    11·1 answer
  • What is the special features of the rock chert?
    8·2 answers
  • Which best desribes the nucleus of an atom
    10·1 answer
  • How does increasing the tension of a spring affect a wave on the spring?
    13·1 answer
  • True or false: the results of pollination are shown inside the punnett square​
    12·1 answer
  • Which statement best describes an understanding of genetics that would be missing without the work of Mendel?
    5·1 answer
  • Counter stain used in gram staining is​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!