Females are unable to maintain a high level of cardiorespiratory fitness.

What is the name of the tool scientists use to identify a species? species key dichotomous key species marker dichotomous marker

Recovery heart rate is to determine how fast the heart recovers and should be measured five to ten minutes after vigorous activity. true or false

Which of the following represents the results of a review of well-controlled studies of vitamin c supplementation on the resistance to, and recovery from, colds? there was a reduction in the duration of colds by 50% on the average. there was a slight effect on reducing the duration and severity of colds for people taking vitamin c supplements. there was a significant reduction in the duration of colds in people who consumed at least one gram a day. there was a significant reduction in the number of colds only in people who consumed > three grams per day.