Mainly because our lungs are made to intake air, and if we where to inhale water we would drown. oxygen can only be obtained from the air because our lungs would be able to expell the excess stuff from air easier than in water. hope i helped.
Answer:
It is the brain of the cell and it tells the other cell parts what to do.
It holds the cell's DNA
The correct answer is "a steroid hormone that reduces the amount of fluid excreted in the urine".
Aldosterone is a steroid hormone produced in the adrenal gland, whose main function is the homeostatic regulation of the blood pressure, plasma sodium, and plasma potassium levels.
Aldosterone's main mechanism of action is to regulate the reabsorption of sodium and excretion of potassium in the kidney, which in turn influences the retention of water and the volume and pressure of the blood. Based on all this, aldosterone reduces the amount of fluid excreted in the urine.
Answer:
C
Explanation:
Our hair follicles hold DNA just as do our finger nails, saliva, and blood.
Since simple sugars follow the Cn(H2O)n formula, if you had 11 oxygen
atoms, this would produce the simple sugar formula of C11H22O11.
Therefore, there should be 22 hydrogen atoms.
