The structures and functions involved in oxygenation? Describe effects of decreased oxygenation: Structures and functions of...
The structures and functions involved in oxygenation?
Describe effects of decreased oxygenation:
Structures and functions of the normal cardiac cycle?
Homework Answers
Ans.) Basically oxygenation is the addition of oxygen to the respective system. Here, oxygenation is the passive diffusion of oxygen from the alveolus to the pulmonary capillary where it cooperatively binds to hemoglobin in red blood cells or dissolves into the plasma. Oxygenation (respiration) is carried out in three major step.
- Inspiration and expiration
- Exchange of gases (oxygen and carbon dioxide)
- Transfer of gases (oxygen and carbon dioxide)
Decreased oxygenation causes hypoxia. During hypoxia body or a region of the body is depressed of sufficient oxygen supply at the tissue level. Due to decreased oxygenation respiration also decreased.It also cause shortness of breath and a rapid heartbeat
Cardiac cycle is ideally start of one heart beat to beginning of next one. Each cardiac cycle has following steps which are
- Atrial contraction (atrial systole)
- Atrial diastole
- ventricular systole
- ventricular diastole (ventricular filling)
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