Free help with homework

Why join Brainly?

  • ask questions about your assignment
  • get answers with explanations
  • find similar questions


The Brainliest Answer!
a process in living organisms involving the production of energy, typically with the intake of oxygen and the release of carbon dioxide from the oxidation of complex organic substances.
5 4 5
if it is helpful pls mark it as brainliest
It is the breathing system of a living organism in which intake air and release carbon dioxide. Hope I helped u.. Plz mark as the BRAINLIEST answer..
2 5 2
The process of taking in air rich in oxygen and giving out air rich  in carbondioxide
The action or process of inhaling and exhaling; breathing. Also called ventilation.
b. An act of inhaling and exhaling; a breath.
2. The action or process by which an organism without lungs, such as a fish or plant, exchanges gases with its environment.
if its helpful plz mark as brainliest-)
The Brain
  • The Brain
  • Helper
Not sure about the answer?
Learn more with Brainly!
Having trouble with your homework?
Get free help!
  • 80% of questions are answered in under 10 minutes
  • Answers come with explanations, so that you can learn
  • Answer quality is ensured by our experts