All forms of cancer are characterized by - A an abnormal, unregulated production of cells
B the aggregation of cells into a mass called a tumor
C the spreading of abnormal cells to tissues across the body
D the inhibition of DNA replication in affected cells

true is the

photosynthesis makes the glucose that is used in cellular respiration to make atp. the glucose is then turned back into carbon dioxide, which is used in photosynthesis. while water is broken down to form oxygen during photosynthesis, in cellular respiration oxygen is combined with hydrogen to form water.

air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.