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
Setler79 [48]
3 years ago
11

Please, do not guess the answer :( Thanks

Biology
2 answers:
aalyn [17]3 years ago
4 0
It would be a

hope this helps
lilavasa [31]3 years ago
3 0
I believe the answer is A because this is the two loop system because the air you take in from your lungs automatically is polluted. In the two loop system, the carbon dioxide is taken out out of the oxygen and is pumped back to the heart to be taken out of the body. The oxygenated blood is pumped into places it is needed.
You might be interested in
On the Galápagos Islands, Darwin observed tortoises with domed and saddle-shaped shells. How did Darwin’s observations of these
Archy [21]
Helped to confirm that environmental changes cannot affect the characteristics of a species.
4 0
3 years ago
Please answer as soon as possible.
prohojiy [21]
I believe it’s 50%, it’s either 50% or 75%
3 0
3 years ago
Read 2 more answers
A scientist studied four pieces of fossil evidence that show the evolution of the modern-day man. These date back to 2 million y
muminat

Answer:

B: 0.5 million years

Explanation:

6 0
3 years ago
What is a glycoprotein? and what is one of the uses of glycoproteins?
tankabanditka [31]

Answer: it’s is proteins that are conjugated with a small number of monosaccharides or short typically branched chains of carbohydrates ( oligosaccharides). And one use of glycoproteins is they have something to do with immune system examples the molecules of as such as antibodies ( immunoglobulins) which they just interact with antigens.

Explanation: hope this help I take biology it can be tough.

6 0
3 years ago
Click the statement that best describes why carbon is such an important element. Carbon forms bonds with hydrogen to create wate
vodomira [7]
The correct option is this: BREAKING CARBON BONDS RELEASE ENERGY THAT ORGANISMS USE FOR LIFE PROCESSES.
The food that are eaten by living organisms are composed of carbon element which bond in various ways with other elements. Chemical energy are stored inside this bonds and released for the organisms use when they are broken.
6 0
3 years ago
Read 2 more answers
Other questions:
  • In order for clouds to form, cooling air must be
    14·2 answers
  • What are seaweeds? help
    6·2 answers
  • Explain the cellular functions that occur when antibiotics attack a bacteria cell
    11·1 answer
  • I will give brainliest!!! Lysosomal storage diseases (LSDs) are a group of rare and inherited genetic disorders in which some pa
    11·2 answers
  • An inability to transfer and store new information from short term memory to long-term memory is called
    9·1 answer
  • Why did Hershey and Chase label the viral DNA with radioactive phosphorous and not radioactive sulfur?
    6·2 answers
  • The arrows on field lines show the direction of force in an
    7·2 answers
  • Please help me?!?!?!?!
    13·2 answers
  • Which ordered pair is a solution to the following
    12·1 answer
  • what relationships so you need to understand in order to answer how does energy from the sun impact ocean water?​
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!