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exam 2 multiple answers A&P II. Check all that are characteristics of cardiac muscle. A. Cells are long and cylindrical. B. Cells are short and branching. C. Cells have multiple nuclei at the periphery of the cell. D. Cells have one or two nuclei in the center of the cell. E.All muscle cells contain striations. Click the card to flip 👆. False. *Smooth muscle cells do not contain striations. Although they do contain myofilaments, their arrangement is not …Muscle tissue is characterized by properties that allow movement. Muscle cells are excitable; they respond to a stimulus.What organelle is contained in the Skeletal Muscle? Mitochondria. What type of muscle contains many mitochondria? Skeletal. What type of Muscle goes through atrophy? Skeletal. Biology II- Chapter 3 Quiz 6- Muscle Tissues Learn with flashcards, games, and more — for free.1. Introduction. The sarcoplasmic reticulum (SR) is a specialized form of the endoplasmic reticulum of muscle cells, dedicated to calcium ion (Ca 2+) handling, necessary for muscle contraction and relaxation.Studies with electron microscopes (EMs) have revealed that, in striated muscle cells, the SR is organized into numerous …Skeletal muscle fibers are classified into two types: type 1 and type 2. Type 2 is further broken down into subtypes. Type 1. These fibers utilize oxygen to generate energy for movement. Type 1 ...Myocytes contain unique structures called myofibrils:-Cylindrical organelles, found in great numbers (100s to 1000s per myocyte), make up 50-80% of cell volume-Measure about one micrometer in diameter (about 1/100 the thickness of a human hair)-Made up of bundles of specialized proteins that allow for contraction-The sarcoplasmic reticulum (SR) surrounds the myofibrils and stores and releases ...The muscle cell is actually a syncytium of hundreds of cells forming a muscle fiber that extends from origin to insertion., Sarcolemma, Sarcoplasm and more. Study with Quizlet and memorize flashcards containing terms like Each muscle cell is long, cylindrical, multinucleated, and may be striated.Cardiac Muscle. Unlike skeletal muscle, cardiac muscle is composed of single branching cells, connected together by specialized junctions called intercalating discs.The discs are visible as darkly staining lines, more prominent than the myofibrillar striations (Cardiac Muscle 1).The nuclei are centrally located and surrounded by a perinuclear zone containing synthetic organelles (Cardiac ...All of the muscle fibers innervated by a single motor nerve fiber. The step in which the muscle fiber develops tension and may shorten is called ______. contraction. A synapse is the point where a nerve fiber meets a target cell. When the target cell is a muscle fiber, this type of synapse is called a _______ junction. neuromuscular.i. skeletal muscles tissue is the only striated type of muscle tissue. ii. Cardíac and smooth muscle respond to involuntary nervous signals. iii. Cardiac muscles is found only in the heart. iv. Smooth muscles of the esophagus constructs in peristaltic waves. ii,iii, and iv .Study with Quizlet and memorize flashcards containing terms like Which is true concerning muscle tissue?, Under a microscope you observe a tissue that appears to have long fibers that appear striated. The nuclei are pushed off to the side of the fibers. The tissue looks very vascular. What type of tissue are you observing?, All muscle cells contain striations. …The tissue contains long, cylindrical cells that appear striped. What tissue type is he observing? 1) Muscle tissue 2) Connective tissue 3) Nervous tissue 4) Epithelial tissue and more. ... nonstriated and involuntary 3) striated and involuntary 4) striated and voluntary 5) smooth and voluntary, A student observes a tissue under a microscope ...Describe the anatomy of the muscle cells for skeletal, smooth, and cardiac muscle tissue. Identify the structure from the given description: Thin, reticular connective tissue investing each muscle cell. Which of the following describe skeletal muscle? Circle all that apply. A. Striated B. Intercalated discs C. Multinucleated D. Branchingare Skeletal muscle tissues voluntary or involuntary. Voluntary movement. cardiac muscle tissue is found. only in the heart. shape of cardiac muscle tissue. branching, straited (stripes), uninucleate cellls, cardiac muscle tissues have thick lines called. intercalated discc. what is the function of intercalated disc.Skeletal and cardiac muscle cells are called striated because they show an alternating series of bands. The repeating arrangement of their basic contractile unit, the sarcomere, produces these striations.. In all types of muscle, contraction is caused by the movement of myosin filaments along actin filaments.. The terms muscle cell and muscle fiber are synonymous.Cardiac muscle cells generally only contain one nucleus, located in the central region. They contain many mitochondria and myoglobin. Unlike skeletal muscle, cardiac muscle cells are unicellular. These cells are connected to each other by intercalated disks, which contain gap junctions and desmosomes. Striated versus smooth muscleDamage in a ligament results a sprain. Study with Quizlet and memorize flashcards containing terms like What are 2 other names for voluntary muscles?, Where are intercalated disks found?, Which type of muscle tissue contains striations? and more.Study with Quizlet and memorize flashcards containing terms like The three layers of connective tissue that wrap skeletal muscle include all the following EXCEPT _____., Skeletal muscle cells are _____., During contraction, the internal chambers of the heart become smaller, which forces roughly 50-75 percent of the blood into the _____. and more.The striations of a skeletal muscle cell are produced, for the most part, by: A) a difference in the thickness of the sarcolemma B) the arrangement of myofilaments C) the sarcoplasmic reticulum D) the T tubules ... Each muscle cell contains ; Smooth muscle is characterized by all of the following except: A) it appears to lack troponin B) there ...The cells are interconnected physically and electrochemically to act as a syncytium. Cardiac muscle cells contract autonomously and involuntarily. Smooth muscle is involuntary. Each cell is a spindle-shaped fiber and contains a single nucleus. No striations are evident because the actin and myosin filaments do not align in the …All muscle cells originate from the: actin and myosin. Muscle tissue differentiate by cell lengthening with active synthesis of the proteins: skeletal, cardiac, smooth. The three types of muscle tissue are: Skeletal muscle. This type of muscle contains bundles of very long, multinucleated cells with cross-striations.Muscle is a soft tissue, one of the four basic types of animal tissue.Muscle tissue gives skeletal muscles the ability to contract.Muscle is formed during embryonic development, in a process known as myogenesis.Muscle tissue contains special contractile proteins called actin and myosin which interact to cause movement. Among many other muscle …

– Contain one layer of cells. – Named by shape of ... • Every cell reaches the basement membrane (but not all cells ... • In muscle cells: changes in voltage result ...Cardiac muscle (or myocardium) makes up the thick middle layer of the heart. It is one of three types of muscle in the body, along with skeletal and smooth muscle. The myocardium is surrounded by a thin outer layer called the epicardium (AKA visceral pericardium) and an inner endocardium. Coronary arteries supply to the cardiac …All muscle cells contain striations (T/F) False. Smooth muscle cells do not contain striations (do contain myofilaments but not regular enough to generate striations) Skeletal & Cardiac - do contain striations. Cardiac muscle - under involuntary control - branching, striated, uninucleate cells that connect at intercalated discs ex of cardiac ...Skeletal muscle fibers are cylindrical in shape and contain many nuclei (even hundreds) located near the sarcolemma (the cell membrane of muscle cells). However, the defining characteristic of muscle fibers is the cross-striations seen on light microscopy. A gelatin-like substance fills the spaces between the myofibrils.

a. an external body surface that is dry. b. a basic body plan that resembles a two-layered sac. c. a body surface covered with hair to keep them warm. d. most of their cells in contact with an aqueous medium. d. most of their cells in contact with an aqueous medium. Generally, epithelial cell layers are responsible for separating two fluids ...Skeletal muscle is an excitable, contractile tissue responsible for maintaining posture and moving the orbits, together with the appendicular and axial skeletons. It attaches to bones and the orbits through tendons. Excitable tissue responds to stimuli through electrical signals. Contractile tissue is able to generate tension of force.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Muscle tissue. Muscle tissue is one of the four basic types o. Possible cause: sarcoplasmic reticulum. Select all of the body parts that contain smooth muscle. In .