57. ________ consist of similar cells that have a common function.
58. The ________ system secretes hormones that regulate growth processes and nutrient
usage by body cells.
59. The elbow is ________ to the wrist.
60. ________ is explained by chemical and physical principles and is concerned with the
function of specific organs or organic systems.
61. The ________ cavity contains the bladder, some reproductive organs, and the rectum.