Chemical bonds a. are always ionic. b. hold atoms together to form compounds. c. combine compounds to form elements. d. are always covalent

The kidneys, ureter, bladder, and urethra the body maintain homeostasis through the process of a. excretion b. specialization c. respiration d. digestion

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

Drag each tile to the correct box. arrange the phases of mitosis in the correct order. 1 (condensation of chromosomes) 2 (separation of chromosomes) 3 (formation of spindle fibers) 4 (alignment of chromosomes in the center of the cell) 5 (pinching of the cell membrane)