The Mechanism of Inhalation and Exhalation and Their Relation to Boyle’s Law Inhalation: Expanding the Thoracic Cavity Inspiration is the process by which the lungs are filled with fresh air, and it...
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Anatomy and Functions of the Human Respiratory Tract The Upper and Lower Respiratory Tracts The upper respiratory tract is made up of the nose, nasal passage, larynx, pharynx, and sinuses....
Case Study – Systemic Lupus Erythematosus and Immune Dysfunction Jenny is a 28-year-old graphic designer who is presenting symptoms of systemic lupus erythematosus (SLE), which is an...
Discussion – Role of T Helper Cells in Adaptive Immunity Overview T helper cells, also CD4+ T cells, are vital in adaptive immunity because, in addition to secreting cytokines that facilitate...
Case Study – Understanding Edema in a 65-Year-Old Patient John, a 65-year-old accountant, presented with progressive swelling in his ankles and lower legs. His medical history includes...
Lymph Nodes – Vital Elements of the Lymphatic System Structure and Function of Lymph Nodes The lymphatic system, a crucial part of the immune and circulatory systems, is composed of various...