Respiratory system Is divided into: I- Conducting portion: (transports, filters, moistens and warms the inspired air): Is formed of nasal cavity, nasopharynx, larynx, trachea,…
1. Sections of the heart and bloodvessels 2. Tunica intima:Layer of the endothelial cells, underneath basal laminaSubendothelial layer: loose connective tissue with some…
Respiratory system Is divided into: I- Conducting portion: (transports, filters, moistens and warms the inspired air): Is formed of nasal cavity, nasopharynx, larynx, trachea,…