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Does the trachea have skeletal muscle?
No, the trachea does not have skeletal muscle. Instead, it is composed of smooth muscle, cartilage, and connective tissue. Smooth muscle allows for involuntary control of the trachea's diameter and airflow.
Does the alveoli have smooth muscle?
No, the alveoli do not have smooth muscle. Alveoli are small air sacs in the lungs where gas exchange occurs, allowing oxygen to enter the bloodstream and carbon dioxide to exit. Smooth muscle is found in the walls of larger airways like bronchioles, which help regulate the diameter of the airways.
The esophagus contains both smooth and skeletal muscle fibers?
The esophagus has two types of muscles. The upper third of the esophagus is composed of striated muscles, while the lower third contain smooth muscles. The muscles in the middle are a mixture of both striated and smooth.
Can you see sarcomeres in smooth muscle?
No, sarcomeres are not visible in smooth muscle. Smooth muscle lacks the organized sarcomere structure found in striated muscle, such as skeletal and cardiac muscle. Instead, smooth muscle has a more scattered arrangement of contractile proteins.
Is multiunit smooth muscle composed of sheets of muscle cells?
Within the eye in both the iris and ciliary muscle, composing the arrector pili muscles in the skin, the wall of larger air passageways within the respiratory system, and the walls of larger arteries.
What muscle controls the size of the bronchioles in the lungs?
SmooTh muscle
Is there smooth muscle tissue in the lungs?
Yes
Which type of muscle forms the stomach lungs and intestines?
smooth muscle
Muscle sphincters are composed of what two types of muscle fibers?
Smooth Muscle Fiber
The middle lining of the stomach is composed of this type of muscle tissue?
smooth muscle
What structure is responsble for breathing?
Smooth muscle located in the lungs
What type of muscle is diaphragm?
The diaphragm ( the muscle underneath your lungs that help you breath) is a skeletal muscle, not smooth
What muscles are in the stomach?
The stomach is composed of smooth muscle (as opposed to skeletal or cardiac muscle).
Does the trachea have skeletal muscle?
No, the trachea does not have skeletal muscle. Instead, it is composed of smooth muscle, cartilage, and connective tissue. Smooth muscle allows for involuntary control of the trachea's diameter and airflow.
What type of tissue changes the diameter of airways in the lungs?
Smooth muscle
What is the texture of the lungs?
It's like the texture of any animal's lungs, smooth. It is made up of smooth muscle (literally, that's the term) after all!
The internal urethral sphincter is composed of skeletal muscle whereas the external urethral sphincter the lower sphincter is composed of smooth muscle and thus is under involuntary control?
it is the opposite. The internal sphincter is composed of smooth muscles while the external one is composed of skeletal muscles
