Which of the following activities would provide a cardio workout? dancing for 30 minutes doing abdominal exercises for 45 minutes lifting weights for one hour walking a dog for 10 minutes

Maintaining a healthy weight allows the respiratory system to work more effectively because a. oxygen is being delivered more adequately. b. the heart does not have to pump as forcefully. c. the capillaries are constricted. d. the lung capacity allows for small amounts of air.

Sometimes without even knowing it, people waste fresh water. write an editorial for our school newspaper. try to convince your readers that saving and recycling water should be something they do every day.

When data collected on the performance of a healthcare facility suggests that quality standards have not been met, what is one method that can be used to correct the problem?