Answer: CAPILLARIES
Explanation: Gas exchange is the delivery of oxygen from the lungs to the blood stream, and the elimination of carbon dioxide from the blood stream to the lungs. It occurs in the lungs between the alveoli and a network of tiny blood vessel is called capillaries, which are located in the walls of the alveoli.
I don´t know :V :V :V :V :V :V :V :V :V :V :V :V
Answer:
Option (A).
Explanation:
The element mercury can persist in the environment and proves to be harmful for the living organism. The mercury persist in the lower organism and transfer to the higher organism by the process of biological magnification.
The compounds of methyl mercury are not harmful. The methyl mercury compound cannot cross the blood-brain barrier and does not affect the individual.
Thus, the correct answer is option (A).
Answer:
Explanation:
Ciprofloxacin is safe to use in pregnancy and the client may use to same dose and route as a nonpregnant client. The use of ciprofloxacin is contraindicated in pregnancy. It is safe for the client to use topical ciprofloxacin but the oral route is potential teratogenic. The client will require a lower dose and longer course of ciprofloxacin than a nonpregnant, adult client.
<span>A. efficiency
The efficiency of a machine is the quotient of work output divided by work input.</span>
