Kidneys are the “filters” of the () system. They remove nitrogenous wastes, water, urea, and excess () from the blood. The liquid waste produced, (), is collected by the kidneys and passes through the () to the ( ). The urinary bladder is a strong muscular organ that stores the urine until it can be excreted via the ()

Wanting to know the rules and the right person to ask for are characteristics of the safety reassurances required by preschoolers. infants. school-age children. toddlers.

Which action is most likely to contribute to a positive self-image?

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.