Which of the following statements is true?
a) Most humans have one kidney, which regulates water and electrolyte balance, removes nitrogenous wastes from the blood, and eliminates the wastes in the urine.
b) The kidneys regulate water and blood glucose in terrestrial vertebrates.
c) The kidneys are paired organs that remove nitrogenous wastes from the urine. d) The kidneys are paired organs that regulate water and electrolyte balance in terrestrial vertebrates.

What is the difference between the conducting zone and the respiratory zone of the respiratory system? the conducting zone is a series of cavities and tubes that move air to the respiratory zone where gases exchange with the bloodstream. the conducting zone exchanges gases between the lungs and the alveoli and the respiratory zone is a series of cavities and tubes that move air to the conducting zone. the conducting zone moves oxygen into the cells and the respiratory zone takes carbon dioxide away from the cells. the conducting zone moves oxygen into the bloodstream and the respiratory zone takes carbon dioxide away from the bloodstream.

Plz ! what does it mean for an allele to be dominant?

The dense layer of connective tissue that surrounds an entire skeletal muscle is the