When you feel wind on your face, your are experiencing... It has nothing to do with the movement of air molecules,
air molecules moving from high to low pressure,
air molecules not moving in any particular direction
air molecules moving from low to high pressure.
I

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

Achild is suffering from fever but the doctor cannot immediately pinpoint the alignment on the basis of this one symptom explain why also mention other two such general symptoms

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.