Answer:
small molecules easily pass through the phospholipids in the cell membrane
Explanation:
The exchange of gases between the blood and tissue cells is internal respiration. Finally, the cells utilize the oxygen for their specific activities: this is called cellular metabolism, or cellular respiration. Together, these activities constitute respiration.
Answer:
If the system is the reactants/products, the temperature would increase.
If the system is the surroundings in which the reaction is occuring, the temperature would decrease.
Explanation:
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