PLEASE HELP I WILL GIVE U ALOT OF CREDITS If the heart becomes damaged or weakened, how will this affect the body’s systems? Only the nervous system will be unable to function.

The muscular system will strengthen the heart.

The circulatory system will not function well, which will affect all other body systems.

Only the circulatory and respiratory systems will be affected.

Astudy that involves interviews of adults is eligible for expedited review. the researcher wants to add an adolescent population (aged 12 to 17) to the study and has designed a parental permission and assent process. no additional changes are planned. which of the following statements about review of the revised protocol is accurate? the research would only be eligible for expedited review if the adolescents are capable of understanding the same consent forms used for the adult population.the research would only be eligible for expedited review if the adolescents have been declared to be emancipated minors.the new research would need full review by a convened irb because children are a protected population.unless the nature of the questions would raise the level of risk to > minimal for adolescents, the research would still qualify for expedited review.

What percentage of roads in germany have no speed limit?

What percentage of people are left handed?