Muscle strain and soreness is more likely if you
a. rest regularly
b. lift weights often
c. exercise infrequently
d. stretch routinely

In which way does nicotine cause addiction? by stimulating the brain's pleasure center by increasing blood-sugar levels by decreasing dopamine levels by reducing depression and anxiety

Fill in the blanks to complete the labels on this model of replicating dna! super

Which of the following processes does the body not use protein to perform? a. repairing muscles b. producing hormones c. making hemoglobin d. creating amino acids