How much oxygen does the brain need to stay concuios? Does anyone want to talk

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.

What is the longest you should ice the injured area at one time? a. 10-20 minutes b. 30-60 minutes c. 1-2 hours d. as long as you want

Disaster preparedness procedures should include assembling educational and entertainment materials for children. specifying how information will be shared with families. storing one gallon of water for each person. evacuating immediately if it is safe to do so.