The major function of the kidneys is to:
a. excrete wastes from the body in urine.
b. dilute wastes in water so they can recirculate in the body.
c. absorb excess nutrients from the blood
d. remove fluid from the bladder
e. capture nutrients and return them to the blood

Explain what is meant by the phrase “ethical behavior”.

Early treatment for mental illness involved because doctors believed that doing this would drain the mental illness out of the person’s body.

Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells.b) viruses have capsids composed of protein, whereas viroids have no capsids.c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna.d) viruses cannot pass through plasmodesmata, whereas viroids can.