1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Pani-rosa [81]
3 years ago
14

Why do the walls of the capillaries and air sacs have to be thin

Biology
1 answer:
dmitriy555 [2]3 years ago
7 0
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.
You might be interested in
How is the structure of a unicellular organism different than the structure of a multicellular organism? How does this affect fu
Katena32 [7]
Well I don't know much but I do know that they are different because unicellular can self produce which means they can reproduce without  someone else but multicelluar needs someone else to reproduce
5 0
3 years ago
Which of the following would not reduce the carrying capacity of an ecosystem for a particular prey species? a. drought b. fewer
kozerog [31]

Answer: fewer predators

Explanation:

8 0
3 years ago
Read 2 more answers
Without wolves, the health of forests suffers. What theme of biology does this demonstrate?
ycow [4]
The answer to your question is Mutualism.
6 0
3 years ago
Read 2 more answers
What is the purpose of the part of the male reproductive system that is
Dahasolnce [82]

Answer:

A creates the fluid in semen

3 0
3 years ago
The human GM-CSF gene and the mouse GM-CSF gene vary by more than 60% in their DNA sequence. However, when scientists place the
baherus [9]

Answer:  The resulting proteins made by the human gene are similar to the proteins made by the mouse gene.

Just took the test.

5 0
3 years ago
Read 2 more answers
Other questions:
  • The uppermost zone in lakes and ponds, which is close to the shore and rich in nutrients is called the _______.
    8·1 answer
  • The energy that drives surface oceans currents come from
    9·2 answers
  • A process is referred to as aerobic if it requires ________.
    9·1 answer
  • What does this difference in time suggest about the location of the two cities?
    8·1 answer
  • Which of these bases form a true complementary pair?
    7·2 answers
  • How might 3D printing change organ transplantation?
    10·1 answer
  • Please Help!!<br> Which of the following statements is true of living systems!
    14·1 answer
  • A __________ is an example of a signal molecule that can bind to an intracellular receptor and thereby cause a gene to be turned
    6·1 answer
  • How might DNA and chromosomes be regulated (naturally or artificially).
    7·1 answer
  • 3. What happens as a population approaches carrying capacity?
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!