How does the hypothalamus monitor water in the body?
a. if blood is too concentrated, the hypothalamus nerve cells will contain too much salt.
b. if blood is too concentrated, the hypothalamus it registers dehydration in its own cells.
c. if blood is too concentrated, the hypothalamus registers adh in the blood.
d. if blood is too concentrated, nerve cells in the hypothalamus it has nerve cells that lose water by osmosis and fire more slowly.
e. if blood is too concentrated, in the hypothalamus it registers that its cells are losing water by osmosis.

Getting rid of my account might as well do it with some fun make sure to read all of this it is hilarious a plane was about to crash and there were 5 people on board and only 4 parachutes. the first person said: " i am roy keane, one of the best footballers in ireland. i am worth a lot of money and my fans need me so i think i should be saved." the others agreed and gave him one of the parachutes and off he went. the second person said: "i am gerry adams, a radical irish politician who can really my country and i think i should be saved." the others said: "o.k.", and gave him a parachute. the third person said: "i am george bush, president of the most powerful country in the world. everyone knows i am a really nice guy and everyone thinks i am stupid,but i'm not, so i am taking a parachute." and off he went. there were two people left, the pope and a 10 year old schoolgirl. the pope said: "child, i am old and frail and have lived my life while you are young, with everything before you. you take the parachute and i will stay with the aircraft and take my chance." "it's o.k." said the girl, "there are still two bush picked up my schoolbag."

Dna is colied into chromosomes in a cell

Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?