Examlex
Which is the correct sequence of structures through which a mammalian sperm passes before fertilizing an egg?
Gas Exchange
The biological process by which organisms exchange oxygen and carbon dioxide with their environment, crucial for respiration.
Atmospheric Air
The layer of gases surrounding the Earth, primarily composed of nitrogen and oxygen, which is essential for respiration.
Asthmatic Attack
A sudden worsening of asthma symptoms caused by the tightening of muscles around the airways, leading to difficulty breathing, coughing, and wheezing.
Ventilation
The process of moving air in and out of the lungs, facilitating the exchange of oxygen and carbon dioxide between the body and the environment.
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