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
SpyIntel [72]
3 years ago
6

Which of the following muscles act(s) to increase the size of the thoracic cavity during inhalation? 1. diaphragm 2. external in

tercostals 3. internal intercostals
Biology
1 answer:
Gemiola [76]3 years ago
3 0

Answer: External intercoastal muscles increase the size of thorasic cavity during inhalation.

Explanation:

Inhalation is the process of breathing in oxygen.

During inhalation, diaphragm contracts and it lead to the expansion of lung volume. When diaphragm contracts, it moves to the abdominal cavity which create a large thorasic cavity . when the external intercoastal muscles contracts, it cause toward and downward movement of the ribs, which cause the rib cage to expand , thereby leading to increase in size of thorasic cavity.

You might be interested in
The process by which a cell divides is called
PolarNik [594]

The best answer is C


The process by which a cell divides is called mitosis. It results in two daughter cells that are genetically identical to each other and to the original cell.

Multicellular organisms,  depend on mitosis for growth and repair. Organisms repair some of their tissues  using mitosis to regenerate new cells. Not all cells undergo mitosis at the same rate. In man, brain cells are much more difficult to regenerate than cheek cells which are constantly being replaced.


8 0
3 years ago
What is Construction of beds and drains or ridges and furrows.​ due today pls help
Otrada [13]

Answer:

The  Construction of beds and drains or ridges and furrows is that ridge is (lb) the back of any animal; especially the upper or projecting part of the back of a quadruped while furrow is a trench cut in the soil, as when plowed in order to plant a crop.

Hope this helps :))

it is probably incorrect but i tried

4 0
3 years ago
Which plant cell organelle breaks down chemical fuel into packets of chemical energy that can power the cell?
Lelu [443]

the mitochondria breaks down chemical fuel into packets of chemical energy that can power the cell


8 0
2 years ago
In fruit flies, straight wings are dominant and curly wings are recessive. What will the generations look like? Assume that Mend
Anestetic [448]
Crossing two true breeding parents with opposite parents is the key:

Assume W is straight wing and w is curly.
Then you are crossing WW with ww
This will result in ALL Ww as offspring - so all straight offspring

If you then cross Ww x Ww you end up with a mix of 
WW (1), Ww (2) and ww (1) - so a mix of straight and curly

Answer: 
P generation has straight wings and curly wings
F1 has all straight wings
F2 has straight wings and curly wings
8 0
3 years ago
How well do the continents fit together
dmitriy555 [2]

They don't fit together anymore because of the Earth's climate change.

3 0
3 years ago
Other questions:
  • 15. A geologist discovers a sample of fine-grained rock made up of very small crystals. Based on its physical appearance, what c
    12·2 answers
  • True or false? the ovaries secrete a hormone that assists with labor and delivery.
    15·1 answer
  • the writers and philosophers of the enlightenment believed that's government decisions should be based on
    6·2 answers
  • Why does salty snacks make you thirsty
    15·2 answers
  • Which color of light is best for photosynthesis? (Hypothesis!)
    12·1 answer
  • What organelle's function is to CARRY material to export out of the cell?
    8·1 answer
  • For a multicellular organism, which statement about cellular activity is correct? All cells of the organism carry out most of th
    10·1 answer
  • Describe the changes that happen as a cell differentiates to become a specialised cell
    6·1 answer
  • Please help me before I pull my hair out.
    7·2 answers
  • Climate change could impact many species from which we get useful products. what resources do we risk losing due to climate chan
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!