ansverse (T) tubules are parts of. . O A. all answers are correct O B. Sarcoplasmic reticulum OC. Sarcolemma O D. Sarcoplasm

Q: The sliding filament mechanism describes the process during which: a. actin and myosin slide…

A: The muscles of the body serves main role in the movement of the body parts such as legs, arms and…

Q: A weightlifter tries to lift a weight off the floor, but cannot upset it. Is the contraction: a)…

A: Muscles of the body help in the movement of the body of several types. there are different types of…

Q: Which of the following statements best describes the sliding filament mechanism of muscle…

A: Actin- It is the main component of thin filament in muscle fibre, cytoskletal protein. Myosin-motor…

Q: Which of the following statements about the Ca2+ release channels in the sarcoplasmic reticulum is…

A: The right answer is option b) They are one-tenth the size of the voltage-gated Ca 2+channels. The…

Q: The flexibility of the leg depends on: a) Hydroxyapatite b) Ligament c) Periosteum d) Collagen…

A:

Q: What property do all muscle tissues have in common?a. composed of collagen and elastin filamentsb.…

A: Muscles are required in breathing, talking, running, walking, and anybody movement. Actin and…

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: The type of muscle used to move the leg when walking isa. skeletal.b. cardiac.c. smooth.d. All of…

A: A group of cells having a similar structure, function, and origin is called tissue. Muscles are the…

Q: E. Many Athletes injure their knee joints. Suggest a reason for the fact that knee injuries are…

A: As per our answering guidelines, we can answer only one question with a maximum of three subparts.…

Q: The______ is the basic unit of contraction. a. osteoblast c. myofibril b. sarcomere d. myosin…

A: Contraction is the property of muscles that helps in the movement of bones for locomotion. The…

Q: In a muscle, muscle fibers are arranged in bundles that are wrapped in a thick layer of connective…

A: Tissue is the next level organization of the cells. There are 4 different types of tissue are…

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: _____joints are the most common joints in the body. a. Fibrous c. Smooth b. Cartilaginous d.…

A: Joints are the points where bones meet. Some joints like that of in the cranium are completely…

Q: Which of the following is not a role of the muscular system inhomeostasis in the body?a. produce…

A: The muscular and skeletal system work together to allow movements in the body for the maintenance of…

Q: Muscle spindles :-a- are found in all skeletal musclesb- are found only in large skeletal musclesc-…

A: Muscle spindles are sensory receptors that regulate the contraction of muscles by detecting change…

Q: Compare the characteristics of skeletal and smoothmuscle cell contractions.

A: Ans: Skeletal muscle: The skeletal muscle is the form of striated muscle tissue and is one of the…

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: Which of the following is false regarding smooth muscle? A. It contracts slower than skeletal…

A: There are three types of muscles skeletal, cardiac and smooth muscles.

Q: Which of these is not a type of muscle tissue?   a)  skeletal   b)  smooth   c)  rough…

A: The human body is made up of four fundamental tissues which are groups of cells that act together to…

Q: In an examination of a sample of muscle tissue, you notice that thesample consists of striated cells…

A: Step 1 Muscle tissue is a tissue of mostly mesodermal origin where the cells, called myocytes, are…

Q: In a contractile unit of muscle, "thin" filaments are composed of А. O A. calcium. O B. actin. OC.…

A: Muscle contraction leads to shorting the length of muscle. Muscle contraction implies that movement…

Q: What are T tubules and the sarcoplasmic reticulum?

A: Tubules are the anatomical structure made up of a minute tubes.

Q: According to the sliding filament theory: a. The tension increases linearly as actin-myosin overlap…

A: Introduction : The sliding filament theory states that the myosin filaments which are thick…

Q: If a drug caused a sudden release of large amounts of calcium in skeletal muscle, from which…

A: Increases in intracellular calcium arises through either calcium influx across the plasma membrane…

Q: Which among the following statements is NOT an important function of skeletal system? OA. calcium…

A: Skeletal system is the body's main central framework. It consists of bones, connective tissues such…

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: Bone tissue contains: O living cells O collagens fibers O calcium and phosphorus O all the above

A: Tissue is a group of cells which perform specific function. The tissue present in the bone is known…

Q: Aponeuroses are extentions of connective tissue beyond muscle cells that attach the muscle to bone.…

A: Aponeurosis , fasciae, ligaments and tendons are different types of connective tissues which can be…

Q: Which of the following characteristics does not apply to skeletal muscle tissue?   a.  striated…

A: Skeletal muscle tissues are those that are closely attached to skeletal bones. A typical example of…

Q: Suppose a drug blocks entry of calcium from the extracellular fluid. What if, anything, would happen…

A: Muscle cells are specialized cells that use contractile motion for movement either voluntary or…

Q: The repetitive contraction unit in muscle cells is called: Select one: O a. A Band O b. Fibril O c.…

A: There are types of muscle fibers: Skeletal muscle fibers, Smooth muscle fibers and cardiac muscle…

Q: An inflammatory condition that affects the sac of synovial fluid outs the joint cavity would best be…

A: Osteoarthritis would be incorrect because it is age-related degeneration in the synovial joints…

Q: Lack of calcium in muscles: O results in no contraction causes weak contractions causes strong…

A: Effect of calcium concentration in muscle contraction.

Q: The purpose of transverse tubules is to Select one: a. ensure a supply of glycogen throughout the…

A: Transverse tubules are basically the structures present in the muscles,they are the invaginations or…

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: Contraction of muscle fibers in skeletal muscle is initiated by the uptake of calcium by the…

A: Movement refers to any change in body position. It is a fundamental characteristic of living beings.…

Q: [ANIMAL PHYSIOLOGY] When animals die, the muscles stiffen in rigor mortis because. Select one: O a.…

A: Rigor mortis is a phenomenon occurring in the body when the body dies. It is a postmortem…

Q: Which of the following statements is unique to skeletal muscle? O a) skeletal muscle has striations…

A: Muscular tissue is the specialized tissue in animals which applies force by contraction  for the…

Q: Which of the following are functions of the skeletal system? (select all that apply)   a) mineral…

A: Introduction Skeletal System:- It is the foundation of your body, giving it structure and allowing…

Q: Another term commonly used to describe hypervariable loops is Select one: a. signal joint. O b.…

A: An antibody has two broad regions: variable region and constant region. The variable region is…

Q: 5. Identify the structures in this diagram of a muscle fiber. Describe the function of each…

A: The soft tissues in the body are the muscles and these muscles consists of muscle fibers that…

Q: is the collective term for actin and myosin. sarcomere O myofibrils O muscle hiber O skeletal muscle

A: The basic contractile unit of muscle fibre is the sarcomere. Actin and myosin are the active…

Q: The bundle of dense regular connective tissue that attaches a skeletal muscle to bone is called a(n)…

A: The bundle of dense regular connective tissue that attaches a skeleton muscle to bone is called  A)…

Q: Ligaments connect bones together and withstand a lotof stress. What type of connective tissue should…

A: Animals belong to the kingdom Animalia. They have the ability to acquire their food through…