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(This is a rough estimate on the surface area so just consider this answer don't take it for a final.) Roughly around the Trachea, near where it splits to each of the lungs, and then theres the Alveolil (Latin for 'little cavity) because they expand and shrink when you breathe hence why your lungs push your chest forward and straighten your spinal cord.

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What the organ that can relax contract and can move bones in the body?

smooth muscles


Involuntary muscles are also called?

The muscles of the digestive system are smooth muscles.


Condition which smooth muscles contractions reduce the size of air passageways in the lungs?

Asthma


Why would a disease that causes the paralysis of smooth muscles be a life-threatering disorder?

Smooth muscles are responsible for organ function, such as the lungs and intestines. If these muscles are paralyzed, it can lead to severe complications like respiratory failure or bowel obstruction, both of which can be life-threatening if not treated promptly.


Which respiratory tubes are primarily composed of smooth muscle and affect the flow of air to the alveoli?

There are no smooth muscle lined tubes in the respiratory system. The air is pulled into the lungs when the rib cage expands. The lungs are attached to the inside of the rib cage and move as it moves. Now there are skeletal muscles between the ribs called intercostal muscles. These muscles affect the rise and fall of the ribs during respiration.


Muscles that move bones are called?

Muscles that move bones are called Smooth muscle cells or Skeletal muscles


Are the lungs composed of smooth muscle?

No, the lungs are not composed of smooth muscle. They are made up of a spongy tissue called lung parenchyma, which includes air sacs and blood vessels. Smooth muscle is found in the walls of the airways leading to the lungs, called bronchioles.


What are the longitudinal muscles in the esophagus called?

smooth muscle


Involuntary muscles found inside organs are called?

Involuntary muscles found inside organs are called smooth muscles. These muscles control processes like digestion, blood vessel constriction, and breathing without our conscious effort.


How many muscles are there in the human body which you can not control?

You can not control the smooth muscles as well as cardiac muscles of your body. They are called as involuntary muscles.


What is another name for involuntary muscles?

It is called involuntary muscle or smooth muscle.


Are smooth muscles striated or smooth?

Smooth muscles are not striated, unlike skeletal muscles which have a striped appearance due to the arrangement of actin and myosin fibers. Smooth muscles are more uniform in structure and lack the striations seen in skeletal muscles.