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
stepladder [879]
3 years ago
14

Which organ decreases about 40% in capacity between the ages of 20 and 80?

Biology
1 answer:
eimsori [14]3 years ago
3 0
Lungs (20)Lose elasticity and capacity (40% between ages 20 and 80), increasing difficulty to oxygenate blood.
You might be interested in
When you put observations together with what you already know you make a(n)
pogonyaev
I would go with hypothesis because I never heard any of the other answers in Bio and a hypothesis is an educated guess so it means what you already know and it’s an observation (I hope this helped!!)
3 0
3 years ago
Make up a mnemonic device to help you remember the steps of the cell cyle.
Eva8 [605]

Answer:

I - Interphase

Prefer - Prophase

Milk - Metaphase

And - Anaphase

Tea -Telophase

7 0
3 years ago
Ways of transmission of coronavirus from infected person to others?
Hatshy [7]

Explanation:

We know that the disease is caused by the SARS-CoV-2 virus, which spreads between people in several different ways. The virus can spread from an infected person's mouth or nose in small liquid particles when they cough, sneeze, speak, sing or breathe.

3 0
3 years ago
When materials are moving across a membrane
kolezko [41]
This ain’t even a question
7 0
2 years ago
Read 2 more answers
Why do scientist use models
Maurinko [17]

Explanation:

A model is used to help scientists visualise things that they cannot actually see. It can be thought of as a thinking tool, to help form explanations. Models are useful simplifications to aid understanding. ... It can then be used to explain further phenomena and to make predictions of future behaviour.

5 0
3 years ago
Other questions:
  • Organisms have the ability to regulate their internal environment in order to maintain a steady state called _____.
    9·2 answers
  • During DNA replication, which chemical bonds break apart?
    13·1 answer
  • Viruses do not possess all the characteristics of life. Identify those characteristics that viruses display and those they don’t
    14·2 answers
  • Which of the following results from an uncontrollable growth of abnormal cells
    12·1 answer
  • Explain why the failure of one organ or organ system can affect the function of other body systems in an organism.
    15·1 answer
  • How are babies made? i need this for health class.
    5·2 answers
  • Which of the following is used as evidence to show changes in living organisms throughout geologic time?
    12·2 answers
  • I am a human. what am I?<br> a: mammal <br> b:insect<br> c:exterterestrail<br> d:anphibian
    14·2 answers
  • How are seeds different from spores?
    10·1 answer
  • The ___ receptor is upregulated when you chronically use, then withdraw, from alcohol.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!