Stress increases the activity of the central nervous system. A positive effect of this is that it makes a person more alert and focused. A negative effect is that it

Don recorded his food intake for a week and then used a computerized dietary analysis program to analyze his diet. according to the results of the analysis, his average daily saturated fat intake was 5% of total calories and his average daily unsaturated fat intake was 12% of total calories. based on this information, his total fat intake is the acceptable macronutrient distribution range.

Adrug is tested in the laboratory and is found to create holes in both mitochondrial membranes. scientists suspect that the drug will be harmful to human cells because it will inhibit a) the citric acid cycle. b) oxidative phosphorylation. c) glycolysis. d) the citric acid cycle and oxidative phosphorylation.

Which action best increases one’s stamina a) exercising when you feel like it b) saving so much that one like sleep c) refusing to exercise to save the energy needed to work d)exercising on a regular basis