Which of the following statements is true about cross-country skiing? a. it is one of the most complete aerobic exercises. b. it uses the leg muscles exclusively. c. it is the most commonly practiced form of skiing. d. all of the above.

Match each burn type with an appropriate treatment.

Which action occurs in the third stage of cell division? a. the nuclear material of cell is copied exactly. b. the nuclear membrane disappears. c. the cell forms two nuclei d. the nuclear material separates, with half moving to either side of the cell.

What can you do to support your own mental health and physical health?