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During exhaling, air out of lungs, diaphragm is pushed upward and hence partial pressure in the ribs increases and the pressure outside the body is little less so air goes out of the body. During inhalation exact opposite of exhalation occurs
Total pressure = partial pressure outside our body + partial pressure inside our body
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What is blood pressure used to evaluate?
Your systole and diastole (or systolic and diastolic pressure). Systolic pressure is the pressure your blood exerts on blood vessels when your heart pumps out blood while diastolic pressure is the pressure your blood exerts on blood vessels when your heart is at rest(in between pumps). Blood pressure is stated as systolic pressure/diastolic pressure. The normal BP is 120/80 mmHg.
What is a easy sentence for exerts?
A human exerts energy, while doing work
What is the difference between persuit diving and deep plunging?
Pursuit diving exerts greater pressure on the seabirds while deep plunging refers to going deep in the sea in search of the seabirds.
If a drug dilates blood vessels does it raise or lower blood pressure?
When nicotine exerts its effect on the heart, the pulse rate of the smoker will increase while smoking the cigarette. A consequence of the pulse rate increasing is that the nicotine will raise the smoker's blood pressure.
What causes blood pressure to rise and heart rate and change of breathing while sleeping?
when heart rate increases, blood pressure rises. When heart rate decreases, blood pressure drops. medications, and diseases affects the blood pressure. Source: About Blood Pressure
What action and reaction forces are presented when you are sitting on a chair?
Your weight exerts a downward force, while the chair exerts an upward force equal in magnitude to your weight.
That is the difference between force and pressure?
Pressure deals with the impact on a particular surface while force is the total impact on a particular surface
When is blood oxygenated?
while breathing
Who exerts more pressure on the ground a 500N woman standing in 0.005m high heels or a 500N woman standing in 0.05m work boots?
a women who wears a 500n while standing in 0.5m work boots.
Is the force it exerts on a person equal and opposite to the force a person exerts on it?
While it isn't clear what "it" refers to, in general, the answer is yes - according to Newton's Third Law.
How does breathing take place?
Breathing is the process of inhaling oxygen and exhaling carbon dioxide. When we inhale, our diaphragm and chest muscles contract, expanding the lungs and creating negative pressure that draws in air. Oxygen from the inhaled air is absorbed into the bloodstream, while carbon dioxide is released when we exhale.
Why do human have difficult in breathing while in high mountain?
Because in the mountain range there have lack of oxygen for our breathing
