The pumping of the heart is tied to the respiratory system
Answer:
100 g sodium carbonate and 100g calcium chloride
Stronger. The sun has an immense gravitational pull that drags planets into orbit and keeps them orbiting for millions and millions of years.
Answer: A
Explanation: All living organisims use energy
Answer:D
Explanation:
Respiration is the process of taking in oxygen and release of Carbondioxide in the lungs(breathing),the absorption of the oxygen in the alveolar, into the blood stream for distribution to tissues , the combustion of the metabolites(glucose,amino acids, and fatty acids and glycerol)with the inhaled oxygen to give energy as ATPS and water vapour.