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
Masteriza [31]
3 years ago
7

Which structure is directly involved in gas exchange?

Biology
2 answers:
Paladinen [302]3 years ago
6 0

Answer:

alveoli

Explanation:

Marysya12 [62]3 years ago
4 0
I would say the alveoli. They are tiny air pockets in the lungs: this is where the diffusion of oxygen and carbon dioxide occurs.

Hope this helps! x
You might be interested in
I need help on this Asap. i also need an explanation to go with the answer.
Anna35 [415]

Answer:

For question 20. I believe the answer is C. There would be more iguanas with webbed feet.

Explanation:

It states the iguanas have adapted to different habitats on the island. The iguanas that have webbed feet will be better at getting food in water, but slower on land. So if the land starts to disappear and turns into more water, the iguanas with webbed feet will have a higher chance of survival. Meaning the iguanas with out webbed feet will die out as a population.

5 0
3 years ago
Help me out 50 pointsssssss
astra-53 [7]

Answer:

1 cilia 2 I don't know I'm so sorry

6 0
2 years ago
Fossil fuels, such as coal and oil, get their names because they form from fossilized organisms trapped under extreme pressure a
olga_2 [115]

Answer:

hey you forgot the model, can you include a link to the model? i can't access it on brainly though so g docs or something like that should be fine.

5 0
3 years ago
Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. Once a virus gains entry to the body
Amiraneli [1.4K]

Answer:

B

Explanation:

I personal will go with B cause viruses attack your immune system then destroy healthy cells then copy it self through out the rest of the body.

6 0
3 years ago
Which of the these items contains carbon?
julsineya [31]
The tree would contain carbon.
4 0
3 years ago
Read 2 more answers
Other questions:
  • What would your body be like if you did not have any bones
    15·2 answers
  • Please answer the first question
    10·2 answers
  • When ATP loses a phosphate, energy is released and __ is formed
    10·2 answers
  • Sugar is a component of which of the following?<br><br> carbohydrates<br> lipids<br> nucleic acids
    9·2 answers
  • In general, researchers indicate that genes that affect energy balance in the body appear to be very efficient as a means to pro
    7·1 answer
  • Which description accurately characterizes an organ system in the human body?
    11·2 answers
  • Define acidity. How is it measured?
    13·1 answer
  • What does rna sequence look like
    9·1 answer
  • Plants and animals are both _____.
    11·2 answers
  • What is the volume of air that is inhaled and exhaled with each normal resting breath?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!