Match each of the terms with its definition or explanation.
-Type of muscle contraction in which the muscle shortens and the joint moves

Question

Quizplus · Accepted Answer

Isotonic contraction is the type of muscle contraction in which the muscle shortens and the joint moves.

Answer: A 
 Skeletal muscle is the type of muscle which is attached to bones and responsible for movement.

Answer: D 
 Insertion is the point of attachment of a muscle to the bone that moves when the muscle contracts.

Answer: F 
 Myosin is a type of protein that forms thick filaments in muscle fibers and is involved in muscle contraction.

Answer: E 
 Actin is a thin protein filament that forms part of the contractile mechanism in muscle and other cells.

Answer: G 
 A motor unit is a motor neuron and all the muscle fibers it innervates.

Answer: H 
 Neuromuscular junction is the site where a motor neuron meets a muscle fiber.

Answer: J 
 Isometric contraction is the type of muscle contraction in which the muscle tenses but does not shorten, and there is no joint movement.

Answer: C 
 Origin is the point of attachment of a muscle to the bone that remains fixed when the muscle contracts.

Answer: B 
 Smooth muscle is involuntary muscle found in the walls of internal organs and tissues such as the digestive system, blood vessels, and reproductive system.

Match Each of the Terms with Its Definition or Explanation