Which of the following statements about movement and locomotion isfalse?a. Terrestrial animals and flying animals expend energy to provide lift.b. Swimming animals expend energy to provide thrust but not lift.c. Flexors and extensors are examples of muscles called agonists.d. Flexors cause bending at a joint.e. Extensors cause straightening of a limb.

Q: Which of the following is a responsibility of the body's muscles? (a) moving food through the body…

A: (d) all of the above is correct answer.

Q: When a person dies, the body often experiences rigor mortis. In this condition, it is as if the…

A: Postmortem changes resulting in the stiffeness of the body muscles due to chemical changes in their…

Q: Utilize the attached picture. She leads with her right leg. A. What motion is occurring in the left…

A: 1.Answer : Motion occurring in the left knee from A to B is flexion .Beacuse in the picture angle…

Q: When you exhale after taking a deep breath, your diaphragm pushes all the air out of your lungs.…

A: Newton's 3rd law of motion states that for every action there is equal and opposite reaction.  This…

Q: Why might multiple, small motor units be advantageous over a single large motor unit?   A. They…

A: Motor units participate in regulation of movement of muscle fibers.

Q: Would you expect jaguars, cheetahs, and other great cats to have mostly slow-twitch, nonfatiguing…

A: The soft-tissues found in animals that are accountable for the movement are called “muscles”. They…

Q: muscle that assists the muscle primarily responsible for a given action is a __________.…

A: Myofibrils are the the smallest part of the muscle which helps in the contraction. By alternating…

Q: Write a brief explanation of how, by calculating forces and torques in a physical system such as the…

A: Lifting Mechanicss During lifting of an heavy object spine has to support both the weight of the…

Q: Consider only the effect of the brachioradialis muscle for these questions: If a weight is held in…

A: Levers may be used to move a much higher weight with a small force. Bones serve as lifting arms…

Q: Which of the following is a function of the axialskeleton?a. allows for movement of the wrist and…

A: The axial skeleton is referred to the bones present in the central axis of the body. The bones of…

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 statement is accurate about an agonist? a. It opposes the function of the prime mover. b. It…

A: The majority of the animals consist of soft tissue called muscles. They are responsible for…

Q: Make a table comparing three structural and three functional properties of skeletal,  smooth and…

A: Answer.

Q: Check all that you know are true about the abductor pollicis longus muscle based on its name.   A.…

A: The human skeleton comprises of about bones and cartilages that serves as the major framework of the…

Q: What do you mean by the process of response to gravity?

A: Gravity is a force of attraction exerted by the earth that pulls the objects towards it. Gravity…

Q: escribe the sequence of events that occurs from the time the patellar tendon is stretched to the…

A: Muscle is the system that controls the movement of organisms. This is also responsible for…

Q: Describe the roles of ATP in the sliding filament mechanism of skeletal muscle contraction.    (b)…

A: Sliding past theory explains the process of various muscle proteins such as actin and myosin sliding…

Q: When a person dies, the body often experiences

A: The tissue is known as the summation of the cells that are similar in function. The muscle is a…

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: When using muscles how do you generate more tension when picking up a heavier object than you do…

A: The amount of tension produced by muscles depends on the cross-sectional area of the muscle fiber…

Q: Explain in your own words: How and why are avian and human muscles different?

A: There are three types of muscles in the human body: skeletal, cardiac, and smooth. Skeletal muscles…

Q: Demonstrate your understanding of how the muscular system and skeletal system interact in locomotion…

A: Bones and muscles are very important for our body. Many organs like liver, heart etc. are protected…

Q: - The sacromere is: a- A functional unit of the skeletal muscle b- The area between two intercalated…

A: Muscle cells, commonly known as myocytes, are the cells that makeup muscle tissue. There are three…

Q: A hawk swoops down, seizes a mouse in its talons, and flies back to its perch. Explain how its wings…

A: Crawling, walking, running and swimming are some types of movement performed by animals during…

Q: Could domestic cats gain stamina if train like dogs? How that possible or not possible

A: Many cat owners don't think to basically train their cats until it's past the point where it is…

Q: Which is true for striated muscles? a) may have spontaneous activity b) is not under the control…

A: Muscle are group of cells which perfom a specific function. They are responsible for movement. They…

Q: Which of the following does NOT have striated muscles? a. abdomen  b. arm c. hamstring d. liver

A: Answers Which of the following does NOT have striated muscles??  Option d) Liver

Q: Define a motor unit and explain how utlization of motor units is the same or different for moving a…

A: The nervous system consists of the central nervous system and peripheral nervous system. The brain…

Q: How is the list below to be properly put in order to describe a muscular contraction?

A: Muscle contraction can be defined as the activation of tension-generating sites that are present…

Q: A bacterial toxin is known to block the release of ACh at the motor end plate of skeletal muscle.…

A: (c) the ability to stimulate the muscle is impaired

Q: The names of the muscles can indicate all of the following, EXCEPT ___________. a.myofibril numbers…

A: Question 1)  Answer : Option (a) is correct. - myofibril numbers of the muscle.

Q: Most of the muscles of the skeleton are attached to areas very close to the joints, so their arms,…

A: *During muscle contracts and shortens  against a load  it will perform work and it will be done by…

Q: Two muscles have the same diameter, but one is twice as long as the other. Which  muscle produces…

A: Given 1. Two muscles have same diameter 2. length of one is twice as compared to other.

Q: are the connection between muscles, and when the muscles activate together they can enhance the…

A: Muscle is defined as a mix of developed muscles and a low amount of body fat. Muscle fibres are…

Q: One major difference in locomotor adaptation that distinguishes Old World monkeys from apes is that…

A: The easiest method to tell the difference between monkeys and apes is to search for a tail. The apes…

Q: Compare and contrast human muscles with those of a frog, bird, and snake. Explain the differences…

A: Both frogs and humans have intricate muscular systems, but they are built in accordance to need of…

Q: Describe how various muscle groups work with the bones of the skeletal system to enable movements in…

A: The skeletal system is the organ system that has bones, joints, and supporting tissue. They play a…

Q: The fast fatigable motor units are used predominantly for which of the following activities

A: Answer - Option B - Jumping

Q: Predict the effect of the following on muscle contraction: A. Bitten by a black widow B. Curare C.…

A: Muscle contraction refers to the generation of tension at specific sites in the muscle fibers. It…

Q: Outline the role of calcium ions on muscle contraction during a biceps curl. In your answer: A)…

A: The muscle cells possess electrical excitability and contraction properties. Their contraction…

Q: Which of the following sentences is NOT correct? A. White fibers make up fast-twitch muscle B.…

A: Living organisms are highly organized as they contain specialized, coordinated parts. All living…

Q: In an isometric contraction, the muscle develops tension but does not: a.  Expend energy. b.…

A:

Q: Skeletal muscles can only produce a mechanical force as they are contracted, but a leg flexes and…

A: The force exerted by the muscle is less than its maximum in a concentric contraction, and the muscle…

Q: Think about a patient seated in a wheelchair (paraplegic) who must use his/her upper extremities to…

A: Because the trunk and upper extremities are the primary motor components during transfer activities…

Muscle Action

A change in the body or a bodily organ as a result of its functioning is referred to as an action. Muscle action can be defined as the specific movement of a bodily part generated by the contraction of a muscle. The muscle proteins actin and myosin are the important contractile proteins involved in muscle action. Muscle contraction, in addition to movement, serves several other important functions in the body, including posture, heat generation, and joint stability. Muscle contraction maintains posture, which includes standing and sitting.