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]
2 years ago
5

A muscle cell contracts or expands when

Biology
1 answer:
yanalaym [24]2 years ago
3 0

Answer:

Walking

Explanation:

A muscle cell usually contracts or expands simultaneously when one is working or doing some activities like running, exercises, house chores e.t.c

Muscles are flexible fibers that are very essential appendages for locomotion in human beings.

For muscle cells to contract, they are pulled together thereby causing tension in the muscle. When they are relaxed, they move away from one another.

You might be interested in
A rock that forms when magma hardens beneath Earth’s surface is called an _____. intrusive igneous rock extrusive metamorphic ro
Karo-lina-s [1.5K]
A rock that forms when magma hardens beneath Earth's surface is called an intrusive igneous rock.
6 0
3 years ago
Read 2 more answers
Which of the following is a pattern of biogeography that supports the theory of evolution? A. Closely related organisms that liv
12345 [234]

I believe <u>B.) Analogous structures show that living in similar habitats doesn't lead to similar adaptations </u>is your right answer.

6 0
3 years ago
The bee at right is looking for nectar in a flower. While looking for food, this bee is also pollinating the flowers by transfer
Lana71 [14]

Answer:

The bee at the right is looking for nectar in a flower. While looking for food, this bee is also pollinating the flowers by transferring pollen from the ___anthers__ on one flower to the __stigma__ on another flower.

Explanation:

8 0
3 years ago
What role does photosythesis have in the carbon cycle?
cluponka [151]

During photosynthesis, plants absorb carbon dioxide and sunlight to create fuel—glucose and other sugars—for building plant structures. This process forms the foundation of the fast (biological) carbon cycle. ... In all four processes, the carbon dioxide released in the reaction usually ends up in the atmosphere.

6 0
3 years ago
Read 2 more answers
Why does meiosis produce cells with half the chromosomes
dybincka [34]
Meiosis produce cells with half the chromosomes, because a<span> gamete needs only half the number of chromosomes, because two gametes join together. </span>
5 0
3 years ago
Read 2 more answers
Other questions:
  • Give 5 examples each of mutualism, communalism, and parasitism.
    5·1 answer
  • True or False:
    7·1 answer
  • Earths outer layer if we consider physical properties and not chemistry is what
    7·1 answer
  • The terms aerobic fitness and cardiorespiratory fitness mean the same thing<br> True or false?
    15·2 answers
  • Blood groups in humans are characterized by the presence of antigens (specifically, glycoproteins) on the surface of red blood c
    15·1 answer
  • Is an arthropoda multicellular or unicellular?
    15·1 answer
  • Tissues in the human body, such as cardiac tissue, are made up of ____
    11·2 answers
  • No developmental process (germination or root and shoot initiation, for example) is influenced by more than one plant hormone. T
    5·1 answer
  • Anyone use zoom<br>code:- 2574030731<br>pass:- HELLO<br>Z●●M​
    11·1 answer
  • Answer please plz and if you do it for the points i will report you
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!