Caused by the body clearing out the chemicals that enter through the airways and lungs through tobacco use. Leads to a variety of other conditions like bronchitis, higher risk of bacterial and respiratory infections, emphysema, COPD, and lung cancer
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Answer:
to continually produce energy,your organs need oxygen and the oxygen is carried in your red blood cells.
Answer:
Alaska
Explanation:
Alaska has the most active volcanos in America.
Answer:
CGTATC - DNA complementary strand- GCATG
CTTTCAAG- DNA complementary strand-GAAAGTTG
GAGACTTAC-DNA complementary strand-CTCTGAATG
Explanation:
Remember that the complementary sequence will be based on base pairing for DNA, so the A will pair with T, C with G
Answer:
A feedback loop is a biological occurrence where the output of a system amplifies the system (positive feedback) or inhibits the system (negative feedback).
Explanation:
Example, during blood clotting, a cascade of enzymic proteins acitvates each other, leading to the formation of fibrin clot that prevents further blood loss.
