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
snow_lady [41]
3 years ago
8

Three requirements of an efficient respiratory system

Biology
1 answer:
Luba_88 [7]3 years ago
6 0
Respiratory surface must be moist so gasses can diffuse across cell membranes
cells lining respiratory surface are thin to optimize gas fusion
respiratory surface are must be large to allow for adequate gas exchange
You might be interested in
Arteries near the heart expand as blood rushes in after each contraction. Which component in the arteries allows this expansion?
attashe74 [19]

Answer: The elastic connective tissue

Explanation: Allow stretched tissues to recoil as pressure is reduced

5 0
2 years ago
Imagine what happens if materials are not send out of the body from time to time ?​
scZoUnD [109]

Explanation:

excretory system is present in human body which discharge out the waste material time to time. basically when a cell in a body breaks down they produce various waste material like carbohydrates eliminates carbon dioxide while digestive system eliminates through feces. any malfunctioning can cause serious problem like constipitation kidney failure and kidney stones

5 0
3 years ago
List the steps of the scientific method in their generally accepted order.
Ierofanga [76]

Make an observation.

Ask a question.

Form a hypothesis, or testable explanation.

Make a prediction based on the hypothesis.

Test the prediction.

Iterate: use the results to make new hypotheses or predictions.

I hope this helps you.

4 0
3 years ago
1000
Juliette [100K]

Answer:

I think it c. 2250. if I help you can you help me too

6 0
4 years ago
Interactions between organisms and their environment impact the organism’s overall population. Oahu Amakihi and Kauai Amakihi ar
Lunna [17]

Answer:

The given association between the Oahu amakhi and Kauai amakhi can be illustrated by the notion of the competitive exclusion principle. In ecology, competitive exclusion principle is on certain occasions also termed as the Gause's law.  

On the basis of this principle, the two species contending for the similar restraining resource cannot live together at the obstinate population values. Even if one of the species possesses a small advantage over the other, then the one with the plus will govern for a long time. This leads to either a behavioral or the evolutionary shift towards an altered ecological niche or the culmination of the weaker contestant.  

5 0
4 years ago
Other questions:
  • Which layer of the uterus is made of smooth muscle?
    6·1 answer
  • Cells that can divide indefinitely, renew themselves, and give rise to a variety of other types of cells are called _____ cells.
    9·1 answer
  • What does the equipotentiality hypothesis suggest would happen if the hippocampus was damaged? a. another part of the brain woul
    8·2 answers
  • What is the temp of a star that is 10000 times more luminous than the sun
    13·2 answers
  • What is the best explanation why coiling takes place?
    9·2 answers
  • -Justify key features in the non-specialist lab ?
    10·1 answer
  • Do this for 50 points!!!
    14·2 answers
  • Which alternative energy source do you think should be developed in the future.explain
    14·1 answer
  • The following table shows the symptoms in four patients. Each patient suffers from a different disease.
    10·2 answers
  • What is the purpose of meiosis II and II ?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!