MICROANATOMY

MUSCLE NERVE CARTILAGE BONE

SKELETAL MUSCLE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Muscle tissue
A
Is tissue that functions in lining, covering, and glandular tissue
B
Is tissue involved in protecting, supporting, and binding together other body tissues
C
Is tissue that contracts and shortens to produce movement
D
Tissue that receives and conducts electrochemical impulses from one part of the body to another
Explanation: 

Detailed explanation-1: -Muscle tissue is composed of cells that have the special ability to shorten or contract in order to produce movement of the body parts. The tissue is highly cellular and is well supplied with blood vessels.

Detailed explanation-2: -As organs that contain cells that can contract, muscles can generate force and movement. Skeletal muscle works in conjunction with the bones of the skeleton to create body movements. Additionally, it is also associated with the diaphragmatic, esophageal, and eye muscles.

Detailed explanation-3: -Muscle contraction thus results from an interaction between the actin and myosin filaments that generates their movement relative to one another. The molecular basis for this interaction is the binding of myosin to actin filaments, allowing myosin to function as a motor that drives filament sliding.

Detailed explanation-4: -Muscle contraction occurs when sarcomeres shorten, as thick and thin filaments slide past each other, which is called the sliding filament model of muscle contraction. ATP provides the energy for cross-bridge formation and filament sliding.

Detailed explanation-5: -Muscle contracture refers to physical shortening of muscle length, and it is often accompanied by physical shortening of other soft tissues such as fascia, nerves, blood vessels, and skin.

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