Axascaccacsactgtgrrtvgtgtgtt5rtgy5ft5tt5r5gt5tf5yg5ftgtrgtg Accacac Accaca Essay

1580 words - 7 pages

Daniel Harrison
Blood Pressure (Average)
Heart rate (bpm)
Rest
Systolic
Diastolic
79
123
73
After exercise
146
73
126
Exercise
During exercise blood pressure increases in order to push oxygenated blood throughout the body and to the working muscles and to meet the demands of the working muscles. The diastolic is not affected as this is the pressure when the heart is at rest, which is not affected during exercise. Your heart rate also increases during exercise as the heart needs to pump at a faster rate in order to get a higher volume of oxygenated blood around the body and to the working muscles. This so they can then respire producing energy they need to be able to complete the activity. The Heart is responsible for the increased heart rate and blood pressure during exercise, this because when there is a higher demand for oxygen during exercise in order for respiration to occur in cells for that extra energy required during exercise, the hearts muscle tissue then begins to contract at a higher rate on order to push the blood around the body through the blood vessels at a much faster rate, ensuring that oxygen needed is carried to the cells through the blood stream in the blood vessels. When the heart contracts the ventricles are responsible for the increased pressure as this part of the heart pushes the oxygenated blood with more force, from out the bottom of the heart and to the rest of the body. This increased force from the hearts muscles tissue also results in the blood pressure to increase as a greater force is being exerted from the heart. The nervous system is responsible for detecting when the there is a greater need for oxygen during exercise and then the heart rate begins to increase as the stimulation of the sympathetic nervous system, activated through exercise and forms of physical activity, results in the increase of heart rate.
Sleeping
Blood Pressure (Average)
Heart rate (bpm)
Rest
Systolic
Diastolic
79
123
70
After Sleeping
106
61
73
After Sleeping on average your blood pressure decreases due to the heart not needed to pump as much blood around the body as the body cells don’t need the same amount of energy when the body is at rest and slightly moving. As a result, less force will be needed decreasing the pressure of the blood. On average the heart rate also decreased after sleeping as less oxygenated blood was needed by the body cells for respiration, so the heart doesn’t need to pump as fast as when the heart is at rest. When the heart is at rest during sleeping the heart muscle tissue contracts at a much lower rate and with less force as the demand for oxygen is at a minimum. The parasympathetic nervous system is activated by Acetylcholine which is a neurotransmitter that sends signals to other cells. The activation of this system then results in the lowered heart rate as this is responsible for lowering the heart rate and carrying out the background beating while someone is asleep. The medulla in the brain receives constant...

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