It increases blood volume reducing the flowrate of blood
The movement of water across a membrane.
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The breathing process occurs as follows: Inhalation increases the volume of the lungs, which reduces internal pressure and causes air to enter. Then the exhalation makes the opposite process. Gaseous exchanges occur in the lung alveoli and are responsible for eliminating the gases we do not need and preparing the oxygen to be spread throughout the body.
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Answer:
1. optic disk 2. fovea centralis
Explanation:
Answer:
Because during climbing a flight of stairs our body requires more energy and an increased amount of Carbon Dioxide is produced. to compensate both of these our medulla orders our lungs to breathe faster. In Emphysema extensive lining of alveoli become damaged and hence it can not full fill the demand of the body. hence patient of emphysema becomes short of breath.
Explanation:
Emphysema:
It is the disease in which the patient air sacs becomes damaged due to the thinning of the walls of alveoli. The patient feels short of breath during a tough situation, exercise or during pressure. All those activities which require energy in excessive amount can cause shortness of breath to the emphysema patient.
