Please help!! anatomy final exam! thanks:) Choose the answer(s) below that include only accessory digestive organs.
a. stomach, pancreas, gallbladder, ileum
b. oral cavity, pharynx, salivary glands, tongue
c. salivary glands, stomach, pancreas, liver
d. gallbladder, pancreas, liver, salivary glands

many other transport proteins, often called pumps, move materials against a concentration gradient. active transport drives molecules across a membrane from a region of lower concentration to a region of higher concentration. this process, shown in figure 5.1, uses transport proteins powered by chemi- cal energy.

carbon atoms, hydrogen, oxygen, and nitrogen.

answer///island,peninsula;