The sarcoplasmic reticulum stores a)acetylcholine, which triggers muscle contraction b)calcium, which triggers muscle contractionsc)tropomyosin, which prevents myosin from detaching from actin

What are possible signs and symptoms of drug addiction? check all that apply. declining physical appearance and health failing to meet family, school, or work obligations needing less and less of a drug to get the same effect using drugs when there is no health benefit failing in attempts to stop using a drug stealing to get drugs

Who is considered the father of modern behavioralism? a fred b jung simmer pavlov

Lordosis can often be prevented by strengthening core muscles in the abdominals and back. a. true b. false