What begins when the exercise intensity demands ATP production at a higher rate than the energy systems can supply it? A. Lactic acid B. Muscle fatigue C. The ATP-PC system D. VO2 max

Foods that fill your body with sugar and fat but little else, are said to contain

What is the main structural difference between enveloped and nonenveloped viruses? a) enveloped viruses have their genetic material enclosed by a layer made only of protein. b) nonenveloped viruses have only a phospholipid membrane, while enveloped viruses have two membranes, the other one being a protein capsid. c) enveloped viruses have a phospholipid membrane outside their capsid, whereas nonenveloped viruses do not have a phospholipid membrane. d) both types of viruses have a capsid and phospholipid membrane; but in the nonenveloped virus the genetic material is between these two membranes, while in the enveloped virus the genetic material is inside both membranes.

Which type of health involves how people get along with others in their workplaces? physical mental and emotional social and consumer environmental which type of health is demonstrated when a person makes healthy food choices? spiritual environmental social and consumer physical which type of health is demonstrated when a person has satisfying relationships? social physical environmental spiritual