Respiration is the biochemical process by which cells break down glucose to release energy, primarily in the form of ATP,…

Aerobic respiration occurs in the presence of oxygen, producing more energy (ATP) and releasing carbon dioxide and water. Anaerobic respiration…

Alveoli are tiny air sacs in the lungs where gas exchange takes place. Oxygen from the air diffuses into the…

During inspiration, the diaphragm contracts and moves downward, increasing the volume of the thoracic cavity. This reduces pressure in the…

Tidal volume is the amount of air inhaled or exhaled in a single breath during normal breathing.

Vital capacity is the maximum amount of air that can be exhaled after a maximum inhalation, representing the total volume…

The diaphragm is a muscle that plays a crucial role in breathing. Its contraction increases lung volume during inhalation, and…

Respiratory rate refers to the number of breaths a person takes per minute. It is an important indicator of respiratory…

Hemoglobin is a protein in red blood cells that binds to oxygen in the lungs and transports it to tissues,…

Exhalation occurs when the diaphragm and intercostal muscles relax, reducing the volume of the thoracic cavity and increasing pressure in…