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What tissues have the greatest change in blood flow during exercise?
During exercise the trained body learns to redistribute blood from less active tissues like the digestive organs & kidneys to the heart & skeletal muscles.
Briefly explain what vasodilation is?
Vasodilation is the widening of blood vessels resulting from relaxation of the muscular wall of the vessels. Usually occurs during exercise, so that more oxygenated blood can be pumped to the body's tissues. Vasodilation is the widening of blood vessels resulting from relaxation of the muscular wall of the vessels. Usually occurs during exercise, so that more oxygenated blood can be pumped to the body's tissues.
What are the uses of oxygenated blood?
oxygenated blood is used to supply tissues in the body with nutrients and if this supply decrease like during exercise your respiration will increase to supply oxygen to the blood in good percent
Why are my knees red and hot after exercise?
Your knees may be red and hot after exercise due to increased blood flow to the area, which helps repair and nourish the muscles and tissues that were worked during the exercise. This can cause temporary inflammation and warmth in the knees.
What is blood shunting during exercise?
it is when you dont have enough blood.
What organs or tissues show no change in the rate of blood flow with exercise?
During exercise, blood flow to certain organs, such as the brain, remains relatively constant despite increases in overall cardiac output. This is crucial for maintaining adequate oxygen and nutrient delivery to the brain. Additionally, the kidneys also show little change in blood flow during exercise, as their primary functions are regulated by various hormonal mechanisms rather than fluctuating demand during physical activity.
What make up the greatest portion of the blood?
Red blood cells make up the greatest portion of the blood. They are responsible for carrying oxygen from the lungs to the body's tissues and removing carbon dioxide.
Does blood pressure increase during exercise?
Yes, blood pressure typically increases during exercise as the heart pumps more blood to deliver oxygen and nutrients to the muscles.
Why do more blood flow during exercise?
Because during exercise more oxygen is required , so more blood is pumped to meet the requirement.
Does partial pressure of oxygen increase during exercise?
Yes, during exercise, the partial pressure of oxygen in the blood can increase due to increased ventilation and blood flow, allowing more oxygen to be delivered to working muscles. This helps to meet the increased oxygen demand during physical activity.
Does the stomach gets more blood during exercise?
No, the stomach and intestines get LESS blood during exercise. The blood is needed in the muscles being used and is shunted there instead of digestive organs
How do haematocrit levels change during and after exercise?
Haematocrit levels usually increase during and after exercise due to higher blood pressures forcing fluid out of cells therefore reducing plasma volume and producing a false haematocrit reading.
