and intertitles to illustrate human anatomy and physiology. Beginning with the organs of respiration, it highlights the structure and function of the nose, larynx, trachea, bronchi, and lungs ...

The right-hand side of the heart is responsible for pumping deoxygenated blood to the lungs. The left-hand side pumps oxygenated blood around the body. Each side of the heart consists of an atrium ...

Medically reviewed by Lauren Schlanger, MD The recurrent laryngeal nerve (RLN) anatomy is designed to supply function to most muscles of the larynx (voice box). It branches from the vagus nerve ...

Haemoglobin allows them to carry oxygen from the lungs to the working muscles ... but their flattened shape gives a relatively large surface area which allows rapid diffusion of oxygen.