Which of the following is the first step in respiration? carbon dioxide passes from the blood to the lungs. oxygen is taken into the lungs. carbon dioxide passes into capillaries to the blood. oxygen passes into capillaries to the blood.

Avirus consisting of a single strand of rna, which is transcribed into complementary dna, is a ) proteaseb) retrovirusc) rna replicase virusd) nonenveloped virus

Which of these elements of fitness should be included as part of any personal health plan? a. weight management, strength, endurance, and nutritionb. weight loss, calorie reduction, endurance, and strengthc. weight management, physical inactivity, and endurance trainingd. weight loss, strength training, endurance, and sleep reduction

Alot of ! why does society places such an emphasis on the value of physical health and wellness? what are the benefits of active living?