Oxygen and it removes all other toxin
Answer:
They make new sells in your body.
<h2><u>Science</u></h2>
Science is the study of the natural world or physical universe.It is the knowledge of anything that can be verified by experiments.Science is organised into different fields of study. These fields are physics, chemistry, biology, geography, Earth science, geology, resource science, mathematics, nutrition, astronomy, biotechnology, engineering, computer and information technology.
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<u>Additional Information</u></h2>
<h2><u>Scientists</u></h2>
Scientists are people who study science.They use observation, experimentation and theory to collect facts and learn about a subject.They perform experiments and record their results which form the basis of science and the scientific knowledge around us.Scientists gain knowledge in the different fields of science by using specific ways and methods.
<h2><u>Laboratory</u></h2>
A laboratory or lab is a building or a part of building fitted with scientific equipment.
Scientists do experiments in labs.
Labs in schools and colleges are the classrooms where practical learning and demonstrations take place
The answer is 2 to your question
"Positive feedback mechanisms lead to increased change" is the statement about <span>positive feedback mechanisms </span>among the choices given in the question that is not true. he correct option among all the options that are given in the question is the third option or option "c". I hope the answer has helped you.