Your heart beat reflects... O How many times you cough
O The amount of blood contained in your heart
O How much oxygen your body needs
O Veins carrying oxygen
O Other:

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi, r^3 , where r is the sphere’s radius.

Two critical interventions to turn around the opioid crises are:

What are the three types of counseling established by marine corps policy?