What muscles are not under voluntary control
The muscles that are not under voluntary control are called involuntary muscles or smooth muscles. Some examples include the muscles in the walls of the digestive system, blood vessels, and airways. The heart muscle, although striated, is also considered involuntary as it contracts without conscious control.
There are certain muscles in the human body that are not under voluntary control, meaning that we cannot consciously control their movements. These muscles are called involuntary muscles or smooth muscles. They are found in various organs and tissues throughout the body. Some examples of involuntary muscles include:
1. Muscles in the digestive system: The muscles in the walls of the esophagus, stomach, intestines, and other digestive organs help move food through the digestive system.
2. Muscles in the respiratory system: Smooth muscles in the bronchi and bronchioles of the lungs help regulate airflow and control the diameter of the air passages.
3. Muscles in blood vessels: Smooth muscles in the walls of blood vessels help regulate blood flow and blood pressure.
4. Muscles in the urinary system: The muscles in the walls of the bladder help control urine release.
5. Muscles in the reproductive system: Smooth muscles in the uterus and fallopian tubes in females, and the vas deferens in males, aid in reproductive functions.
These involuntary muscles are controlled by the autonomic nervous system and their movements are largely automatic and involuntary.
The muscles that are not under voluntary control are called involuntary muscles, also known as smooth muscles or visceral muscles. Unlike skeletal muscles, which can be consciously controlled, involuntary muscles work automatically without our conscious effort. They are regulated by the autonomic nervous system, which controls bodily functions such as breathing, digestion, and heart rate.
To determine which muscles are not under voluntary control, one must understand the different types of muscles in the body and their characteristics. There are three types of muscles: skeletal muscles, smooth muscles, and cardiac muscles.
- Skeletal muscles: These are voluntary muscles that attach to the bones and allow us to move our body parts consciously. Examples include the muscles in our arms, legs, and face. Skeletal muscles are under conscious control, meaning we can choose to contract or relax them.
- Smooth muscles: These muscles are found in the walls of internal organs such as the digestive system, blood vessels, and respiratory system. Smooth muscles are involuntary and function automatically to facilitate processes like digestion, blood circulation, and breathing. We cannot consciously control these muscles.
- Cardiac muscles: Cardiac muscles are found in the walls of the heart and are responsible for pumping blood. They are also involuntary muscles that work continuously without our conscious control.
So, to answer your question, smooth muscles (also known as involuntary or visceral muscles) are the type of muscle in the body that is not under voluntary control.