Part D. Which molecule (glucose, glycogen, starch, cellulose, unsaturated fat, saturated fat, protein, phospholipid, RNA, DNA) is described? If there is more than one answer, write in all possibilities.
53. Made of glycerol & fatty acids
54. Made of carbon, hydrogen, & oxygen only
55. Contains nitrogen
56. Used to build muscles
57. Gives least amount of energy
58. Stored energy
1
59. Required to make proteins
60. Allows materials in & out of cells
61. Makes hair, skin, and nails
62. Composed of nucleotides

answer; i believe the correct answer is ( proteins );

the major parts of the digestive system:

salivary glands.

pharynx.

esophagus.

stomach.

small intestine.

large intestine.

rectum.

accessory digestive organs: liver, gallbladder, pancreas.

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.