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Oxygen is less soluble in water at higher temperatures. While the primary transport mechanism for oxygen in the blood is hemoglobin and not water, it is still true that the oxygen has to pass from the hemoglobin into the various fluids of the body in order to be accessible to the cells for metabolism.
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How does a blocked artery cause less oxygen to reach the heart?
Arteries carry blood, oxygenated by the lungs, to the cells of the body. Since the heart is a large muscle, its cells need oxygen too. When one of the arteries supplying the heart with oxygenated blood is blocked ("occluded") the oxygen cannot reach the cells supplied by that artery.
Does cardiac muscle have more mitochondria and depend less on a continual supply of oxygen than does skeletal muscle?
no
Can high blood pressure result in less oxygen reaching heart muscle?
Yes.
What happens to mucsle cells when they have contact vigorously and there is not enghough oxygen available?
When muscle cells engage in vigorous activity without sufficient oxygen, they switch from aerobic respiration to anaerobic respiration to produce energy. This process generates less ATP and results in the accumulation of lactic acid, leading to muscle fatigue and soreness. Prolonged anaerobic conditions can impair muscle function and recovery. Ultimately, the lack of oxygen limits the cells' ability to sustain prolonged activity efficiently.
How does smoking effect physical fitness?
some of the chemicals you inhale after smoking block and narrow your blood vessels and air routes causing less blood to reach you muscle tissue and less oxygen reaching your lungs and brain making it hard to take part in physical fitness especially jogging or running
How does exercise change muscle strength?
It allows your muscles to work there for allowing more blood and oxygen to help them get less fatigued
How does the muscle continue to contract in the absence of oxygen?
The muscle continues to contract in the absence of oxygen through Glycolysis. Glycolysis is the breakdown of glucose to pyruvic acid in the cytoplasm of a cell. It is called an anaerobic process, because it does not require oxygen.
During strenuous activity lack of which substance limits ATP available for muscle contraction?
During strenuous activity, a lack of oxygen limits the availability of ATP for muscle contraction. Oxygen is crucial for aerobic respiration, which produces ATP efficiently in the presence of sufficient oxygen. When oxygen levels are low, the body relies on anaerobic metabolism, which generates ATP less efficiently and leads to the accumulation of lactic acid, causing fatigue. Thus, adequate oxygen supply is essential for sustained muscle performance.
How do conditions Change as the depth of the ocean water increases?
As wer gets deeper there is less oxygen and it gets colder.
Does Hypoxia cause hallucinations?
Cerebral hypoxia can cause hallucinations, amnesia,memory loss, and muscle spasms since the brain receives less oxygen.
What is the role of oxygen in muscle contraction?
Oxygen plays a crucial role in muscle contraction by facilitating aerobic respiration, which provides the energy needed for muscle fibers to contract effectively. During low to moderate-intensity exercise, oxygen helps convert glucose into adenosine triphosphate (ATP), the primary energy currency of cells. This ATP fuels the cross-bridge cycling between actin and myosin filaments, leading to muscle contraction. In the absence of sufficient oxygen, muscles rely on anaerobic metabolism, which produces less ATP and can lead to fatigue.
What is the byproduct of the pyruvic acid conversion that occurs when muscle is low in oxygen?
When muscle cells are low in oxygen, pyruvic acid is converted into lactic acid through a process called lactic acid fermentation. This anaerobic respiration allows for the continued production of ATP, albeit less efficiently than aerobic respiration. The accumulation of lactic acid can lead to muscle fatigue and discomfort but can be converted back to pyruvate when oxygen levels are restored.
