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Which internal structures of animals are specifically adapted to use contraction to cause movement?
Muscle
If muscle contractions use ATP at or below the maximum rate of ATP generation by mitochondria the muscle fiber will what?
If muscle contractions use ATP at or below the maximum rate of ATP generation by mitochondria, the muscle fiber will be able to sustain the contraction for a longer period without fatigue, as the ATP production can meet the energy demands of the muscle activity.
Is glycogen stored in muscle cells is used primarily to provide glucose for red blood cells?
Doubtful. One would think that any glycogen stored in muscle cells would be producing mitochondrial ATP for use in the sarcomere, the muscle contraction unit.
Why do long distance runners eat polysaccharides to in preparation for athletic events?
It helps runners store extra energy for later use for muscle contraction and movement
How do muscles generate heat?
Muscles generate heat through the process of cellular metabolism, where fuel like glucose and fatty acids are converted into energy for muscle contraction. This process releases heat as a byproduct, helping to maintain the body's temperature. Additionally, muscle contractions themselves produce heat due to friction between sliding muscle filaments.
Which internal structures of animals are specifically adapted to use contraction to cause movement?
Muscle
What is isometric movement?
Isotonic contraction results in shortening of the muscle, leading to movement. In Isometric contraction, as the name implies, there is no change in length of the muscle. Thus, it can't lead to any movement. However, Isometric contraction adds or removes power from a movement, thus facilitating or retarding it. This, facilitation and retardation itself gives us a feeling of movement, for example walking, even in the total absence of actual movement i.e. walking. This feeling of movement induced by isometric contraction is known as Isometric movement. We use isometric movements in thinking and dreaming.
A skeletal muscle's partially contracted state that is normal even when the muscle is not in use is called?
The state of partial skeletal muscle contraction is known as tonus. Muscles of the body do not have a real state of total relaxation.
Posterior portion of the brain that coordinates muscle movement?
The brain stem controls muscle movements. Even involuntary movements are controlled by the tiny brain stem. Without the use of your brain stem, you will not "remember" how to do the simplest task.
How can I improve my mind-muscle connection in my chest during workouts?
To improve your mind-muscle connection in your chest during workouts, focus on consciously engaging and contracting your chest muscles with each repetition. Visualize the muscle working and concentrate on feeling the contraction throughout the movement. Use slower, controlled movements and avoid using momentum to ensure proper muscle activation. Additionally, incorporating isolation exercises specifically targeting the chest can help strengthen the mind-muscle connection over time.
What processes does not use ATP muscle contraction active transport heat production diffusion of oxygen cytoplasmic?
Diffusion of cytoplasmic oxygen.
What would you use your orbicularis oculi muscle for?
The function of the Orbicularis Oculi is that it closes the eyelids.
If muscle contractions use ATP at or below the maximum rate of ATP generation by mitochondria the muscle fiber will what?
If muscle contractions use ATP at or below the maximum rate of ATP generation by mitochondria, the muscle fiber will be able to sustain the contraction for a longer period without fatigue, as the ATP production can meet the energy demands of the muscle activity.
How is energy supplied to muscle fibers for contraction?
Energy to muscles is supplied through mitochondria making ATP using oxygen. Muscle cells use a tremendous amount of energy so they have large numbers of mitochondria.
Partial or complete inability to coordinate voluntary movement is called?
Ataxia. It is a neurological condition characterized by lack of muscle control during voluntary movements, leading to uncoordinated or jerky movements. It can affect various parts of the body, including limbs, speech, and eye movements.
Is glycogen stored in muscle cells is used primarily to provide glucose for red blood cells?
Doubtful. One would think that any glycogen stored in muscle cells would be producing mitochondrial ATP for use in the sarcomere, the muscle contraction unit.
What are the muscle cells use to shorten and producing contraction?
Muscle cells use specialized proteins called actin and myosin to shorten and produce contraction. When stimulated by a nerve impulse, calcium ions are released, allowing myosin heads to bind to actin filaments, forming cross-bridges. The myosin heads then pivot, pulling the actin filaments closer together, which shortens the muscle fiber and generates force. This process is known as the sliding filament mechanism.
