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
Dafna1 [17]
3 years ago
7

In Figure 33–6, what structure is labeled A? What is the role of the delicate network of

Biology
2 answers:
ryzh [129]3 years ago
7 0

Answer:

The structure labelled as A must be alveoli.

Explanation:

Alveoli or alveolar sac are present in lungs.They are also called as air sacs. The alveoli of lungs provide a large surface area for gaseous exchange. The number of alveoli in human lungs has been estimated to be approx. 300 million. The rich network of capillaries surrounding them help in exchange of gases. Both alveolar wall and capillary wall are made of squamous epithelium.  It allows the exchange of gases according to their partial pressure differences.

BabaBlast [244]3 years ago
4 0
Heyo the answers to the multiple choice are A B B A C A C D A C B D D B B C C A  D B I'll have the essay questions and fill in the blanks after my test is graded or you can just look them up.
You might be interested in
A person is swimming when a fish touches his foot. his heartbeat and breathing increase for a few seconds until he realizes the
UkoKoshka [18]
Parasympathetic will return her heartbeat back to normal. This nervous system is responsible for regulating the body's unconscious actions, and stabilizes it.
4 0
3 years ago
The form of energy in fossil fuel is ____ energy. nuclearchemicalradiantelectrical
netineya [11]
Well it surely isn't nuclear, or electrical. It's not radiant either.. So the only answer is chemical.

8 0
3 years ago
Think about the concept of evolution.
castortr0y [4]

its for the first onehypothesis

h

7 0
3 years ago
Energy sustainability can best be achieved by using ______. a. nonrenewable energy sources b. renewable energy sources c. carbon
Natali5045456 [20]

Answer:

Energy sustainability can best be achieved by using the renewable resources.

The renewable resources are the resources like water, wind and sun that can be renewed again and again after it is consumed once.

The term sustainability can be defined as the resources that can be used in the present generation and can be saved for the future generations as well.

So, sustainability can be best achieved when renewable resources are used.

8 0
3 years ago
3 plz help if you can its worth 11 points+
timurjin [86]

Answer:

b

Explanation:

this is correct bc it shows that although a mutation occurred, it happened over time, and so now, the lizards attained a new adaption which allows them to avoid the floods

Hope this helps!

6 0
3 years ago
Other questions:
  • The registered nurse is teaching a student nurse about physiologic changes in the diuretic phase of a patient with acute kidney
    11·1 answer
  • Mycorrhiza from a relationship between fungi and which part of vascular plants
    7·1 answer
  • Fires in grasslands prevent the growth of _____.
    12·2 answers
  • CRQ QUESTION: A species of birds lives on an island. The thickness of the birds’ beaks varies within the population. The birds f
    11·2 answers
  • Answer A or B
    15·1 answer
  • In the image below, in which location is carbon released into the atmosphere?
    11·2 answers
  • How many significant digits are in the measurement below?
    13·1 answer
  • Write a sentence that relates your model to processes that take place inside your own cells. Your answer should include some for
    10·1 answer
  • An agricultural manager position
    7·1 answer
  • Do the light reactions of photosynthesis depend on the calvin cycle?
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!