Question

What type of muscles make involuntary movements? Smooth Skeletal Thick Thin

Answer 1

Ответ:

Smooth

Объяснение:

Answer 2

Involuntary movements are primarily controlled by smooth muscles and some cardiac muscles.

1. Smooth Muscles: These are the muscles responsible for involuntary movements in various organs of the body, such as the digestive tract, blood vessels, and airways. They are called "smooth" because their appearance under a microscope is smooth and not striated like skeletal muscles. Smooth muscles are under the control of the autonomic nervous system and function without conscious effort.

2. Cardiac Muscles: Cardiac muscles, found in the heart, also make involuntary movements. They contract rhythmically to pump blood throughout the body. Similar to smooth muscles, cardiac muscles are not under conscious control.

In contrast, skeletal muscles are the type of muscles responsible for voluntary movements. These are the muscles attached to the skeleton that you can consciously control to perform actions like walking, lifting, and reaching. Skeletal muscles have a striated appearance under a microscope and are under the control of the somatic nervous system. Thick and thin filaments within skeletal muscles slide past each other to generate the force needed for voluntary movements.