Low alveolar po2 can be caused by one of two mechanisms. one of them is that the inspired air has low oxygen content. what is the other reason?

Cardiovascular efficiency, muscular strength and endurance, flexibility, and body composition are all related factors.

Which type of nerve creates a 'mental map" of the relative positioning of the body at any given point in time?

Jessica is a friend dislodge a piece of meat from her throat. she delivers five blows on her friend’s back with her fist and then gives him five abdominal thrusts. is jessica doing the procedure correctly? 1 no, she should use the heel of her hand for the blows. 2 no, she should use the side of her hand for the blows. 3 no, she should use her elbows to deliver the blows. 4 no, she should use a tennis ball to deliver the blows.