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Human Body
Muscle Anatomy
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The development of muscle tissue starts from what type of embryonic cell?
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Embryonic mesoderm
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Myoblast cells
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Myotube cells
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Ganglion cells
Explanation
During the formation of an organ, the embryonic mesoderm connects with the ectoderm and endoderm, helping the red blood cells, skeletal muscles, and mesenchyme to rise.
What is the main function of human muscle tissues?
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Movement
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The need for ATP
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Excitability
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The use of shielding proteins when at rest
Explanation
The main work of muscle tissue is to command the body to perform movements. Muscle tissues need to contract with each other to create movements.
What makes the smooth muscles different from the cardiac and skeletal muscles?
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They are not striated
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They don’t have myosin
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They don’t have myofibrils
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They perform voluntary movements
Explanation
Smooth muscles are not striated due to having an organized set of cells inside a sheet. The stomach, intestines, and other hollow organs contain smooth muscles.
What would be the possible result if the cardiac muscles did not perform aerobic metabolism?
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The production of ATP is prevented
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Ends contracting
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Begins to contract
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Went through glycolysis
Explanation
ATP production would be prevented and result in the restriction of muscle contraction. It provides the cells with chemical energy to perform metabolic processes.
What is the main difference between skeletal muscles and cardiac muscles?
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It is involuntary and located close to the human heart
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It features myofibrils
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It functions the aerobic metabolism
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Striated
Explanation
Cardiac muscles are one of the parts of the body that are located closest to the heart.
The following are the different unit organizations that compose a muscle tissue. With that in mind, what is the correct order of these organizations from the smallest to the largest unit?
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Myofilament, Sarcomere, Myofibril, Sarcolemma
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Sarcomere, Myofibril, Sarcolemma, Myofilament
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Myofibril, Sarcolemma, Myofilament, Sarcomere
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Sarcolemma, Myofibril, Sarcomere, Myofilament
Explanation
Muscle tissues in the human body are made from four unit organizations that come in various sizes; myofilament is the smallest, and sarcolemma is the largest.
A human eye is composed of different cells. With that in mind, what type of cell is responsible for regenerating muscle fibers as well as fixing damaged and non-working cells?
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Satellite cells
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Myoblast cells
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Myotube cells
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Ganglion cells
Explanation
Satellite cells can fuse and differentiate the augmentation of the current muscle fibers from the new ones. It has something to do with muscle growth.
What is a muscle with a striped appearance called?
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Striated
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Excitable
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Nonstriated
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Elastic
Explanation
Aside from having a cylindrical and long shape, skeletal muscles also have a unique striated and striped look when viewed under a microscope.
In muscle anatomy, there are different elements that are important for different purposes. What is the important element that has to do with muscle contraction?
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Calcium
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Sodium
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Potassium
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Chloride
Explanation
Aside from nitrogen, hydrogen, carbon, and oxygen, the human body also needs an abundant amount of calcium. Your teeth and bones contain 99 percent calcium.
Creatine phosphate is composed of different parts. Which part is responsible for storing the energy?
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Phosphate bonds
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Carbon bonds
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Hydrogen bonds
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ATP activity
Explanation
Phosphate bonds are created after the construction of important compounds, including the ATP (adenosine triphosphate), ADP (adenosine diphosphate), the phosphagen, nucleoside triphosphates, and nucleoside diphosphates.
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