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
harkovskaia [24]
3 years ago
8

Question 2 and 3 plz!! I can’t seem to find the help I need !

Biology
1 answer:
Mrrafil [7]3 years ago
7 0
Carbon Dioxide (or CO2) is produced by the lungs I think because when you inhale, you breathe in oxygen, then you exhale the carbon dioxide in the lungs. That's actually 3 and 4. As for number 2, I want to say either the alvioli or however that's spelled but technically, the entire body uses oxygen so I'm not sure.
You might be interested in
A musk ox and the Alstroemeria flower have physical structures and organs that have similar functions. Provide two examples of s
Levart [38]

Answer:

Multicellular organisms: Both the plant and the ox are made up of more than one cell.

Both the ox and the plant need to breath somehow  (use air).

Explanation:

3 0
2 years ago
How did British manufacturing give Great Britain an advantage in the war?
Levart [38]
<span>Great britain was able to make ship and make weapons-novanet</span>
5 0
3 years ago
Read 2 more answers
Which structure of the respitory system allows for gas exchange ​
xxTIMURxx [149]

The respiratory system that allows for Gas Exchange happens between Alveolar Spaces and Capillaries

3 0
3 years ago
Read 2 more answers
Light from a distant star has undergone a red shift. Which of these conclusions is correct about the star?
Romashka [77]
<span>B.) It is moving away from Earth.</span> When an objects moves far from the viewer, it's light is affected by a change called doppler effect or doppler shift.
7 0
3 years ago
Which characteristics do cell membranes and cell walls have in common?
bekas [8.4K]
A/Cell membranes and cell walls are selectively permeable and aid in communication.
Explanation: Cell Membranes or cell wall have phospholipid bi layer which functions as a selectively permeable barrier that separates an internal environment from an external one. They are selective permeable through passive process (concentration gradient) allowing certain molecule diffuse into cells
4 0
3 years ago
Other questions:
  • A cell goes through cellular respiration and produces ATP which it then uses to move a molecule across the cell membrane. How do
    7·2 answers
  • The two primary jobs of parenchyma cells are _____.
    10·1 answer
  • Every single celled organism is able to survive because it carries out
    7·2 answers
  • What trait is recessive when you have a male rabbit with black fur and a female rabbit with tan fur
    10·1 answer
  • 3. Psychologists like to experiment on other organisms in their immediate environment, so Jenny
    6·1 answer
  • What is the uneven breakage of a mineral called? crystal form fracture cleavage hardness
    6·2 answers
  • Which of the following is made of cells?
    13·2 answers
  • On a pH scale water is located at 7, hydrochloric acid (HCl) is located below 7 and sodium hydroxide (NaOH) is located above 7.
    14·1 answer
  • A way of classifying organisms into categories based on their similarities.
    8·1 answer
  • Mitochondria are a cell's powerhouse. Which of these cells would need a large number of mitochondria to function and survive?
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!