Answer:
2x-2
Explanation:
2(x-3)+4
Distribute the 2 => 2x-6+4
Simplify => 2x-2
ALVEOLI are the very small air sacs where the exchange of oxygen and carbon dioxide takes place. CAPILLARIES are blood vessels in the walls of the alveoli. Blood passes through the capillaries, entering through your PULMONARY ARTERY and leaving via your PULMONARY VEIN.
The Brainstem is the innermost region of the brain
Answer:
The first analysis to urine will be if there is presence of blood cells or macro molecules.
Explanation:
In filtration, since the urine pass trough a membrane, only small molecules could pass like glucose, amino acids, and urea.
If the urine is produce by secretion like in some insects, leeches, or teleost, then the movement of the molecules is due the osmotic pressure, so the ions are the present in the urine.
Hope this info is useful.
I think the answer is B.)