Question 8/Multiple Choice Worth 5 points) (07.02 MC)
of the roughly 3 billion base pairs total in humans, roughly how many show individual differences?
One hundred
Ten thousand
Six million
Two billion

PLS HURRY

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