Answer:
Blood, the heart pumps oxygen-poor blood to the lungs to be oxygenated.
Explanation:
:) Merry Christmas!
The hare is probably the prey for the lynx so when the hare go away the lynx do also
The physical properties describes all matter. Physical properties are color, length, volume, odor, and density have same essence and definition for all matter the only thing which changes is the variation in composition and quantum in each matter that give different values for the same physical properties for different matter
Enzymes function best at pH 7.4 due to the fact that they work in acidic environments. If the pH is any higher the enzyme would become denatured and won't work properly.