5. Identify the structures in this diagram of a muscle fiber. Describe the function of each structure. MdedyCSert omnal by Sl mad Oriin upoadr w wmampatenipeda wk A mnt2 S mdean Pui Dumain a medaorendeheaid-

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: 6. When skeletal muscle cells fanetion anocrobically, they accumulate the compound which caases…

A: Answer 6 is Option D is correct ; lactic acid. During intensive exercise, lactic acid fermentation…

Q: Muscle that has a striped appearance is described asbeing ________.a. elasticb. nonstriatedc.…

A: A muscle is a soft tissue present in the most of the animals. The muscle cells comprise the filament…

Q: 1. A motor unit is a functional unit formed by a neuron and all the muscle fibres it innervates. II.…

A: The spinal cord is the place where motor neurons are located. It is the site of interneurons and…

Q: Which is the order of glycolytic capacity between these muscle fiber types O I> lla > Ilx O Ix > la…

A: The contraction of the muscle fibre is explained by the muscle contraction theory by the 2 muscle…

Q: Striations, cylindrical cells, and multiple nuclei areobserved in ________.a. skeletal muscle onlyb.…

A: The group of cell is known as tissues, and the study of tissue is known as histology. The body of…

Q: Describe the difference between a muscle’s origin andits insertion.

A: The cardiac muscle tissues and the smooth muscle tissues of the human are involuntary in nature. The…

Q: An important protein in contractile muscle. OA. keratin O B. myosin O c. elastin OD. fibrin

A: The proteins have a variety of functions in the body. The functions of the proteins in the body are…

Q: of his parent's house over the weekend. On Monday, he arrived at the clinic ainful back spasms. He…

A: A back spasm is involuntary tensing or contraction of the muscle in lower back. This condition…

Q: Slow twitch (sometimes called type I) muscle is the main muscle tissue used during endurance…

A: Muscle fibres of various types can be found in most of the body's muscles. However, some muscles…

Q: Compare the contraction mechanisms of skeletal andsmooth muscle cells.

A: The muscular system is a system of muscles where muscles are connected to bones and also to envelope…

Q: Billy has strained a muscle during a recent badmitton match. Describe a treatment plan to help him…

A: Muscle strain is the stretching or tearing of a tissue or muscle that connects the muscle to bone…

Q: Which of the following properties is not common to allthree muscle tissues?a. excitabilityb. the…

A: There are three types of muscle tissues namely, cardiac, skeletal, and smooth which perform many…

Q: Cardiac muscles differ from skeletal muscles in thatthey ________.a. are striatedb. utilize aerobic…

A: Muscle is a soft tissue found in most animals. Muscle cells contain protein filaments of actin 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: How could the nervous system cause a skeletal muscle to produce themost forceful contraction it is…

A: Muscles are soft tissues present in most animals. They contain protein filaments called actin and…

Q: Multinucleated smooth muscle results from the fusion of embryonic mesenchymal cells called myoblasts…

A: Although the human body is a singular entity, it is composed of billions of smaller entities of the…

Q: 8. Which muscle fiber type is always recruited first? A)Type IIa B)Type IIb C)Type I or type IIa,…

A: Motor unit recruitment depends on the force/resistance of the exercise. It is generally accepted…

Q: 7. Label the structures in the diagram to the right. Describe the function of each structure in…

A: The process of muscle contraction occurs due to the sliding of thin filaments over thick filaments.…

Q: During which phase of a twitch in a muscle fiber istension the greatest?a. resting phaseb.…

A: The phenomenon of lifting or moving an object (load) involves the sarcomeres present in the muscle…

Q: During muscle contraction, the I band a. hides the H zone. b. shortens or narrows. c. overlaps the Z…

A: SARCOMERE It is the complicated unit of striated muscle tissue. It is the repeating unit between two…

Q: What are the positions ofactin and myosin molecules inthe sarcomere before andduring the…

A: The sarcomere is the smallest functional unit of a skeletal muscle fiber. It is a highly organized…

Q: e events involved from the time a motor neuron fires an action potential to the time when the muscle…

A: Neurons are the nervous system's basic functional unit. They play a role in neurotransmitter…

Q: The diagram shows Tasha's arm as she bends her am to pull back her tennis rackel Contracted muscle…

A: Ans: The tension generated in the muscle causes them to contract and lowering the tension leads to…

Q: The contractile unit of a muscle fiber is called: O myosin O actin sarcomere O sarcolemma

A: Introduction :- Muscle fibres are made up of just one muscle cell. They aid in the control of the…

Q: contraction occurs as the length of the muscle increases. O a. Concentric O b. Eccentric O c. Static…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Skeletal muscle contraction requires: O calcium ions O ATP O arrival of a nerve impulse all the…

A: Skeletal muscle is composed of muscle fibres which have smaller units called myofibrils. There are…

Q: Repetitive stimulation of a skeletal muscle fiber will cause an increase in contractile strength…

A: Skeletal muscles are voluntary muscles. Skeletal muscles are striated because of presence of…

Q: 5. LABEL the following features on the figure to the RIGHT: insertion, origin, tendon, muscle Now…

A: Muscle tissue is a well-vascularized soft tissue present in the muscles of animal body. Muscle…

Q: Stretching a skeletal muscle can depolarize sensory afferents that project into the spinal cord and…

A: Introduction : Muscles are the soft tissue with ability to contract hence help in movement of body…

Q: "When a muscle develops increased tension, but does not shorten, it is said to exhibit" O isotonic…

A: Muscle contraction is the development of tension in the muscle fibers. It can be described with two…

Q: From which embryonic cell type does muscle tissuedevelop?a. ganglion cellsb. myotube cellsc.…

A: Muscle tissues are the animal tissues derived from the mesodermal layer of the embryonic germ cells…

Q: Which of these is an example of isotonic muscle contraction? O Swinging a bar O Swimming Running a…

A: Basically in an isotonic muscle contraction, tension remains the same throughout the muscle while…

Q: he contraction cycle does not always result in shortening of the muscle fibers and the uscle. O True…

A: For a muscle cell to contract, the sarcomere which is the basic functional unit of muscle…

Q: Discuss the functions of muscle proteins (8 or more) and give an example for each.

A: Muscles belong to the category of muscular tissues that arise from mesodermal layer during the…

Q: The disease poliomyelitis (po′le-o-mi′˘e-li′tis) destroys motor neurons, causingloss of muscle…

A: Poliomyelitis is caused by a virus that may cause paralysis in the person. Poliomyelitis can be…

Q: Smooth muscle contraction is controlled by releasing neurotransmitters trom: Presynaptic cleft O…

A: Smooth muscle contraction is controlled by releasing neurotransmitters from:

Q: 3) What are the three major types of muscles in the human body? Describe the process of muscle…

A: The muscles are the soft tissues found in the animals. They are made up of special types of…

Q: 22. There are three types of muscle fibers, which differ in terms of how fast they contract and how…

A: The muscle fiber is an individual muscle cell that consists of hundreds or thousands of myofibrils.…

Q: The location of a muscle’s insertion and origin candetermine ________.a. actionb. the force of…

A: The skeletal muscle attaches to the bone at two or more places. When the place is a bone that…

Q: ID muscle at the yellow arrowh B. ID the muscle at the green arro

A: Rectus sartorius muscles of the leg and  serve as both a hip and knee flexor.

Q: 27. Which of the following seutences is NOI curreet? I Myotibroblast is a connective tissse cell…

A: 1.osteoperosis is a condition where bone formation is hindered.  3.osmosis is the movement of water…

Q: 1. Compare the excitation-contraction coupling in the three types of muscle. Skeletal muscle Smooth…

A: In this chart we have two discuss difference between muscles. Muscles protact body ,help in moment…

Q: To increase the strength ofthe muscle work is the musclecontraction intenselyincreased?

A: Muscles are soft tissues present in most of the animals. They contain protein filaments called actin…

Q: I need help with #20

A: The force of a muscle is the function of its velocity. Muscles are strengthened which is based on…