1. diet the foods you choose to eat 2. fiber the indigestible part of a plant; sometimes called "roughage" 3. protein amino acid compounds; necessary for tissue growth and repair 4. vitamins organic substance needed in small amounts for good health

Why is it so important to have a lifetime commitment to training? a-it takes your entire life to become fit b-it keeps you from becoming bored c-you will lose strength and endurance once you stop exercising d-it increases your motivation in life

How harmful is it to smoke a pack of cigarettes a week?

Which of the following viruses would most likely have reverse transcriptase? a) an rna-based lytic virusb) an rna-based lysogenic virusc) a dna-based lytic virusd) a dna-based lysogenic virus