In the human respiratory system, gas exchange occurs across the cells of the alveoli. Alveoli or an alveolus is the deepest part of the human respiratory system. This part of the respiratory system is a place where gas exchange between oxygen and carbon dioxide occurs from inhaled air to the blood cells<span>.</span>
Answer:
<h3>Recently been reviewed and range from single cell protein </h3>
Explanation:
I hope it is correct
The greatest threats to coral reefs is the rising temperature of the oceans as a result of climate change and the acidification of the oceans due to increased levels of carbon dioxide in the atmosphere which dissolves in the ocean and forms carbonic acid.Aug 3, 2015
I believe your answer would be, it is a non-steroid hormone
Domain Classifying Organisms<span> Kingdom phylum Class Order Family Genus Species </span>Why Do Scientists Classify Organisms<span>? </span>Scientists classify organisms<span> to make them easier to study. Taxonomy is very useful to </span>scientists<span> because once an </span>organisms<span> classified they can already learn a lot about it.</span>
