What is strech receptors?

Stretch receptors are specialized nerve cells that respond to changes in length or tension in muscles, tendons, and other tissues. They are located throughout the body, including in the lungs, stomach, bladder, and heart.

Stretch receptors work by converting mechanical stimuli, such as changes in tension or stretch, into electrical signals that can be transmitted to the brain and spinal cord. These signals help regulate reflex and voluntary movements, as well as other physiological processes such as breathing, digestion, and urination.

In muscles, stretch receptors are called muscle spindles, which are responsible for detecting changes in muscle length and tension. Muscle spindles are important for maintaining posture and balance, and for preventing injury during physical activity.

In tendons, stretch receptors are called Golgi tendon organs, which are responsible for detecting changes in tension and force during muscle contraction. Golgi tendon organs help regulate the strength and speed of muscle contractions, and prevent excessive force on tendons and joints.

Overall, stretch receptors play a key role in maintaining the body's physical integrity and responding to changes in the environment, both internal and external.