Answer:
The correct answer is a) all of these
Explanation:
Human body developed many mechanisms to regulate the pH of the body fluid. Carbon dioxide in the blood forms carbonic acid which neutralize the extra base and decrease the pH of blood.
Bicarbonate ions in the blood helps in neutralizing the extra acid in the blood and is reabsorbed by kidneys. Excretion of excess H⁺ ions from kidney also helps in regulating the pH of body fluid.
Almost all the proteins acts as buffer because they have charged regions which can bind to H⁺ or OH⁻ ions thus provide buffering capacity to the blood.
Thus, the correct answer is a all of these.
Answer:
The correct answer is A
Explanation:
There are several respiratory centers, the main ones are in the medulla oblongata, also called spinal bulb, image attachment so you can observe better.
Image Reference:
https://en.wikipedia.org/wiki/Respiratory_center
Answer:
reason #1: They do drugs because they want to fit in just like their friends.
reason #2: To fix a problem in their life so they try doing drugs to see if it helps
reason #3: They use it is they are stress or peer pressure to do it.
reason #4: They might be heartbroken from a relationship they just ended so they go to the next thing which is drugs.
reason #5: Lastly but not least they want to relax so they try to do drugs to relax themselves.
Explanation: Hope this helps :)
