Epimysium relates to entire muscle as endomysium relates to a. muscle fiber b. myofibril c. muscle fasciculus d. myofilaments

Q: 3) List and define the organizational structure of skeletal muscle beginning with the sacrcomere up…

A: Skeletal muscles make up the most part of our muscles. They account for around 30 to 40 percent of…

Q: Name three differences between slow-twitch and fast-twitch muscle fibers.

A: A sudden and quick movement of muscles or rather, contraction of muscles is referred to as Twitch.…

Q: Which item is biggest? A. myosin head B. myofibril C. troponin D. sarcomere

A: Muscles are compact structures made up of highly tensile , strong, long, multinucleated cells called…

Q: Even though calcium is removed from troponin and tropomyosin, please describe in detail what else…

A: The events that result in the contraction of human muscle fiber starts with the signal by a…

Q: Describe what is meant by muscle fiber "cross-bridges". What occurs to enable movement of the…

A: Muscular system is a body system which is involved in regular contraction and relaxation resulting…

Q: Using what you know about the functional units of muscle, describe the structure of a muscle fiber.…

A: The muscle important function is Contractibility. Muscles, attached to bones or inner organs and…

Q: Which region of the sarcomere does not change length between muscle relaxation and muscle…

A: Muscle is a kind of tissue as it is made up of group of cells. It is one of the four kind of primary…

Q: What is the origin of muscle fibers? How do you explainthe enlargement of muscle fibers?

A: The process of development of muscle tissue at the time of embryonic development is known as…

Q: Stimulation of a muscle fiber by a motor neuron occurs ata. the neuromuscular junction.b. the…

A: Anatomy and physiology are the branches of biology, anatomy deals with the study of the structure of…

Q: Which of these events occurs during the lag (latent) phase of musclecontraction?a. cross-bridge…

A: Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of myosin and…

Q: Explain how a muscle shortens when it contracts.

A: Muscle contraction refers to the stimulation of the tension-producing locations inside the muscle…

Q: Summation in a single muscle fibre means that Select one: a. the fibre increases the frequency of…

A: Introduction Muscle contraction:- It is the activation of tension-generating sites within muscle…

Q: Indicate if the statements are TRUE or FALSE. ________ 11. Actin is found only in the striated…

A: A muscle fiber is produced when numerous muscle cells fuses during the course of development. There…

Q: Which of the following statements about the microscopic structure of smooth muscle fibers is…

A: Muscles have a vital role in the body. Muscles do a lot for our bodies as well. They circulate blood…

Q: The release of which of the following minerals from muscle cell storage sites stimulates muscle…

A: Sarcoma muscles store calcium in sarcoplasmic reticulum. It gets released when a muscle cell or…

Q: Which of the following is true?   A. Muscle fibers either will contract with all the force…

A: Introduction: Muscles are the soft tissues present in all mammals. The muscle cells comprise protein…

Q: Muscle that has a striped appearance is described as being a. elastic b. nonstriated c. excitable d.…

A: Muscle refers to a soft tissue found in the majority of animals. The cells of the muscle comprise…

Q: The plasma membrane of a skeletal muscle fiber is called thea. sarcoplasmic reticulum.b.…

A: Skeletal muscles are involved in movement. Contraction of skeletal muscles makes movement possible.…

Q: A skeletal muscle motor unit   A.Is the number of muscle cells innervated by one motor neuron. B.Is…

A: The skeletal system consists of bones and muscle fibres. These muscle fibres help in contracting and…

Q: In a skeletal muscle fiber, Ca2+ is released from a. ACh receptors. b. the motor end plate. c. the…

A: Skeletal muscle mainly attaches to the skeletal system via tendons to maintain posture and control…

Q: When muscle fibers are stimulated so frequently they do not have an opportunity to relax, they are…

A: There are two types of skeletal muscle fibers, fast-twitch and slow-twitch, and they each have…

Q: Which of the following does NOT contribute to muscle fatigue? A. K+ accumulation B. ADP and…

A: Introduction Muscle fatigue is a condition in which muscles loses the ability to perform overtime.…

Q: When sarcomeres contract during muscle contraction, which of the following occurs?   A. The myosin…

A: Sarcomeres contract during muscle contraction.

Q: Richa lost two points on her anatomy exam because she couldn’t answer why one type of muscle fiber…

A: The reason why there is a difference in the color of muscle fiber is :Red muscle fiber: In red…

Q: What structure on a muscle fiber is composed of largely two varieties of contractile proteins--actin…

A: Muscle fibre is a single muscle cell. These muscles help control our bodily movement.

Q: Describe a typical smooth muscle cell. How do itsstructure and its contraction process differ from…

A: Muscle is a contractile tissue found in animals whose function  is to create movement. Movement, the…

Q: Which of the following is the site of calcium ion storage within muscles? a. T tubules b.…

A: Muscles are the body tissues that are principally accountable for causing movement in the body.…

Q: After learning about muscle fiber types in his anatomy and physiology class, Alex started to notice…

A: The skeletal muscles of the organism assist them in performing voluntary movements. In Turkey's…

Q: Fast-twitch muscle fibers are also called type ________fibers and slow-twitch are called type…

A: There are two types of skeletal muscle fibers - fast twitch and slow twitch.  Fast twitch muscles…

Q: Skeletal muscle has several distinct fiber types. Type I is used primarily for aerobic activity,…

A: Skeletal muscle is one of three major muscle sorts, the others being cardiac muscle and smooth…

Q: How would muscle contractions be affected if skeletalmuscle fibers did not have T-tubules?

A: Muscles:                    In animals, soft tissues found known as muscles. Muscles cells contain…