Red blood cells exchange carbon dioxide for oxygen
Answer:D
Explanation
Liver is not involved in the product of blood clotting protein rather it is involved in the production of two hormones insulin and glucagon that play roles in regulating blood sugar.
Answer: 50%
Explanation: just answered this question
The level most commonly meant by the term biodiversity is the species level.
Nucleic acids also typically contain phosphorous, and nitrogen plays an important structural role in nucleic and proteins. The proteins, being made up a diverse set of amino acids, have, in addition to carbon, hydrogen, oxygen, and nitrogen, the elements sulfur and selenium.
