QUESTION 17 What type of muscle would we find as the predominant muscle type in marathon runners? OA. Slow twitch muscles OB. Fast twitch muscles C. Glycolytic muscles OD. White fibers

Q: Compare the composition of flight muscles with a powerful locomotive muscle in terms of…

A: Flight muscles are a type of muscle which is found in birds or insects. This muscle helps birds or…

Q: The mechanism of muscle contraction is best explained by the sliding filament model. According to…

A: Many different forms of cell motions are caused by actin filaments, which are often linked to…

Q: In tonic smooth muscle that contracts continuously for long periods, the highly efficient "latch…

A: Smooth muscles are unstriated and involuntary muscles. They are present in viscera such as GIT,…

Q: Most skeletal muscles contain which of the following? O fast twitch fibers O slow twitch fibers O…

A: * Skeletal muscle functions in voluntary actions hence called as voluntary muscle. *Skeletal muscles…

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: Looking at this diagram explain the order of size dependent recruitment of motor units during muscle…

A: Car rental refers to the performance of additional vehicles to achieve increased contraction…

Q: Jordan called several friends to help him move. Would he prefer to have those with more slow…

A: Muscle fibers, or muscle cells, in a system described as myogenesis, are created from the fusion of…

Q: What % or fraction of muscle fibers do we use at any given moment!

A: When a person exercises systems like- The cardiovascular, respiratory, and muscular systems all work…

Q: QUESTION 8 How does the nervous system grade the force of muscle contraction? O a. Only by…

A: Nervous system is made up of highly specialised cells called neurons. The function of neuron is to…

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: If an athlete increases their strength capability by 15% and their body mass by 20%, their ability…

A: Muscle contraction Muscle contraction is defined as the shortening or stretching of muscles while…

Q: What structure in skeletal muscle cells functions in calcium storage?   a.myofibrillar network…

A: Skeletal system is one of the important organ systems of the body. It provides a structural and…

Q: Which of the following represents the maximal amount of musclecontraction?a. tetanusb. tonec.…

A: Muscle contraction can be defined as the process in which there is a shortening of the muscle and an…

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: Botulism toxin inhibits the release of acetylcholine at the neuromuscular junctions. What effect…

A: Neurons are the basic structural and functional unit of the nervous system. Neurons have three…

Q: The 2 main proteins in muscle cells are _______ and ___

A: According to the question, we have to mention the names of the two main proteins present in muscle…

Q: What happens when troponin and tropomyosin block the active sites of actin? O The muscle contraction…

A: Troponin is basically a complex of three regulatory proteins which are troponin I, troponin C, and…

Q: Could you think of two conditions that can disrupt muscle contraction and results in paralysis?…

A: Introduction: The muscle contraction occurs in the below-mentioned steps: The muscle contraction…

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: To demonstrate muscle fatigue, a student held an 8 lb dumbbell in her hand and abducted her arm…

A: Ans - the correct answer for the above question is- A) Different motor units were contracting while…

Q: More than one answer may be correct.  Myogenic cells in smooth muscle   Question 9 options:   are…

A: Introduction :- Gap junctions are specialized structures in the cell membrane that allow the direct…

Q: QUESTION 3 What is the name of the muscle indicated by the arrow, and what is its origin?

A: Abdominal muscles provide support to trunk and hence gives movement and anchorage to organs by…

Q: Question 47 (1 point) Which of the following options describes the speed at which force may be…

A: Type 1 muscles fibers are present for long duration of contractile activities.and found in the…

Q: Muscle contraction and cytokinesis both require motor proteins and microtubules. Select one: a.…

A: MOTOR PROTEINS AND MICROTUBULES IN MUSCLE CONTRACTION Skeletal muscle myosin, which produces the…

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: What is the muscle function when energy dissipates through the production of heat? O a.…

A: The muscular system is the system that is responsible for bringing movements in the body. The…

Q: What is the function of acetylcholinesterase? O a. to prevent undesired continuous contractions O b.…

A: Acetylcholinesterase is an enzyme that is available at the postsynaptic membrane of the…

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: A muscle has a limit to how much it can contract, based on the limit of contraction of each…

A: The study of the human body can be divided into anatomy and physiology. The anatomy studies about…

Q: atent phase V [ Choose ] Active return of Ca2+ into SR Ca2+ released from SR Power stroke of…

A: Alpha motor neurons are the neurons which  innervate the skeletal muscle fibers. On entering a…

Q: Describe four muscle proteins and their functions.

A: We can say that Muscle contraction can be described as the process occurring within the muscle…

Q: The type of muscle that contains neural varicosities delivering neurotransmitters to a large group…

A: The type of muscle that contains neural varicosities delivering neurotransmitters to a large group…

Q: Part B Matching Choose the appropriate words or phrases from column "B" that match the terms in…

A: The muscle tissue is one of the tissues in the body that helps in movements. The muscle is of three…

Q: The human body has mainly two types of muscle fibres: slow-twitch and fast-twitch.  The { slow or…

A: Individual muscle fibres make up skeletal muscles. Not all muscle fibres are the same, much like…

Q: Question 2 of 16 The relatively light portion of the A band of skeletal muscle Select the correct…

A: Skeletal muscle- Skeletal muscle forms about 40-50% of body mass and is responsible for movement and…

Q: QUESTION 20 A plank would be an example of what type of exercise? OA Isotonic muscle contraction OB.…

A: The objective of the question is to identify the type of muscle contraction that occurs during a…

Q: Question 6 of 16 Which of the following is mismatched with its function in muscle contraction?…

A: Introduction: Muscle contraction is defined as the change in length of the muscle , it can include…

Q: What is the correct order that a motor nerve stimulation encounters structures in triggering a…

A: Muscular system is a type of body system which is involved in Contraction and relaxation, thus…

Q: 11 The picture below shows a sarcomere (from muscle):   Which letter best indicates the thick…

A: Skeletal muscle- Skeletal muscle forms about 40-50% of body mass and is responsible for movement and…

Q: 13 QUESTION 13 Which of the following is a characteristic of Slow-twitch (Oxidative) muscles? O A.…

A: The question is asking to identify the characteristic that is associated with slow-twitch…