THORAX ABDOMEN AND PELVIS

MEDICAL

LUNGS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Alveoli have a
A
high surface area
B
low surface area
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The alveoli cover a surface of more than 1, 399 feet (ft) or 130 square meters (m2) . This large surface area is necessary to process the huge amounts of air involved in breathing and getting oxygen to your lungs.

Detailed explanation-2: -The moisture layer in the alveoli allows gases to dissolve so that they can easily diffuse. The alveoli, supported by the thick network of capillaries covering them, have a very wide overall surface area and a very strong blood supply.

There is 1 question to complete.