How do prokaryotic cells differ from eukaryotic cells? a. unlike eukaryotic cells, prokaryotic cells do not have any membrane-bound organelles. b. unlike eukaryotic cells, prokaryotic cells do not have any chromosomes. c. unlike eukaryotic cells, prokaryotic cells do not have a cell wall. d. unlike eukaryotic cells, some prokaryotic cells move using cilia or flagella?

Name the part of the the brain labeled "e".

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?

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