Answer:
The answer is between a or b
but I strongly suggest the option a.
Evolution is the answer
Answer:
it is a catecholamine that stimulates alpha1 adrenergic receptors and, slightly, beta1 adrenergic receptors, without beta2 effect. It is the vasoconstrictor drug par excellence.
Carbon dioxide in the tissues is produced as the result of oxidation of glucose...
This carbon dioxide in process of respiration diffuse out of the tissues in form of molecular carbon dioxide and join with water forming carbonic acid ...
In lungs again carbon dioxide is separated and released out of the body...
<span>respiratory circulatory digestive</span>
Well, the average orbital speed of ceres is about 17.91 km/s if that helps. Sorry its not much of an answer