Respiratory system of Humans - BYJU'S
Respiratory system of Humans Breathing involves gaseous exchange through inhalation and exhalation. The human respiratory system has the following main structures – Nose, mouth, pharynx, larynx, …
Respiratory system in Humans - BYJU'S
Alveoli Each bronchiole ends in spongy, tiny sacs – alveoli; each of the individual sacs is referred to as alveolus. Each alveolus fills with air when a person inhales. Together, the bronchi, bronchioles and …
Terminal Bronchioles - BYJU'S
Respiratory Bronchioles The respiratory zone consists of the respiratory bronchioles, alveoli and alveolar ducts. It is the main site for the exchange of O 2 and CO 2 with the blood. The alveolar ducts and the …
Type 1 Pneumocytes - BYJU'S
The type 1 cells are involved in gaseous exchange between the alveoli and capillaries. The thinness of these cells allows fast diffusion of gases. The type 1 cells cannot replicate at the time of toxicity, so …
What is Respiration? - BYJU'S
In the alveoli, where the partial pressure of oxygen is high, carbon dioxide gets dissociated from carbamino-haemoglobin. The enzyme carbonic anhydrase present in a high concentration in RBCs …
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The alveoli is the location of gaseous exchange between the respiratory system and blood capillaries. From the hilum, the lymphatic vessels, nerves, bronchus, and pulmonary arteries and veins enter the …
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The conducting part transports the atmospheric air to the alveoli, clears it from foreign particles, humidifies and also brings the air to body temperature. Exchange part is the site of actual diffusion of …
Which of the following is not a characteristic of alveoli? - BYJU'S
Alveoli are located at the tips of the respiratory tree's branches. This phrase refers to the network of airways that resembles a tree and carries air to the lungs. Hence, the statement “They sit at the end …
Bronchioles eventually terminate into alveoli. Alveoli are small sac-like structures that swell when air enters them. Alveoli are in close contact with the blood capillaries. Hence, alveoli are sites where the …
BYJU'S
1. In which part of the respiratory system, gaseous exchange takes place? (a) Alveoli (b) Pharynx (c) Larynx (d) Trachea Sol. (a) Alveoli. 2. ___________ is located between two pleural sacs and is the …