First aid help me please

Is it ok for your junk to be 17inches in diameter and this is school related

Which of the following is the definition of ventilation as it relates to the respiratory system?

Aproper cool-down routine includes which of the following? a). eating a good-sized meal b. five to 10 minutes of slow walking or jogging and stretching c). less than 5 minutes of cool-down stretches d). sprinting or other strenuous exercise