The cytoplasmic extensions that, together with the cell body, provide the main receptive surfaces for neurons are the: a: axons
b: soma
c: dendrites
d: synapses

Aflashlight battery is an example of a) potential energy b) kinetic energy c) thermal energy d) solar energy

Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food

What type of appendages do sponges cnidarians roundworms annelids mollusks arthropods echinoderms and vertebrate have? jointed, not jointed, absent