Register
Why do the walls of the capillaries and air sacs have to be thin
170k views
14 votes
Why do the walls of the capillaries and air sacs have to be thin

User Martin Schmelzer
by
5.1k points

1 Answer

4 votes
The alveoli are lined with mucus and are surrounded by a network of blood capillaries. They have very thin walls for gases to be absorbed through.Carbon dioxide diffuses from the blood into the alveoli.
User Ryanbraganza
by
4.4k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

5.7m questions

7.4m answers

Other Questions

Which of these structures is primarily responsible for the enzymatic breakdown of a large molecules in the cell?
What are some common signs and symptoms of mental health disorders?
A state of joyful activity in which the subject performs an action effortlessly and skillfully is known as a(n) __________.
!! Earth Science!! Carbon dioxide is normally approximately 2% fraction of the air in the atmosphere. The reason carbon dioxide is considered a pollutant is because... a) Carbon dioxide levels are much
Which statement best describes the life cycle of plants such as ferns? a. Different plants have a different number of phases in their life cycle. b. Plants have a single life cycle and are entirely haploid.
Link Copied!