The comma attempts to join 2 independent clauses. B
Answer:
carbon dioxide passes from the blood into the alveoli and is then exhaled. Oxygenated blood travels from the lungs through the pulmonary veins and the cycle goes on every time you breath or inhale you inhale oxygen into your blood cells.
Explanation:
False because nobody weighs or is made the exact same. that is just for the average body type
