What is initial site of respiration?
When we inhale, air enters our body through the nasal cavity. Here, the air is filtered, moistened, and warmed to body temperature. The nasal cavity also contains receptors that help us smell.
When we inhale, air enters our body through the nasal cavity. Here, the air is filtered, moistened, and warmed to body temperature. The nasal cavity also contains receptors that help us smell.