Blood carrying carbon dioxide is sent from the heart to the lungs from the pulmonary artery
DNA<span> is a long polymer with deoxyribose and phosphate backbone. Having four different nitrogenous bases: adenine, guanine, cytosine and thymine. </span>RNA<span> is a polymer with a ribose and phosphate backbone. Four different nitrogenous bases: adenine, guanine, cytosine, and uracil.</span><span />
Answer:
the diaphragm helps draw air into the lungs
Answer:
plagiarism
Explanation:
the practice of taking someone else's work or ideas and passing them off as one's own.