_____ are where most blood oxygen exchange occurs in the body

Its focus on the development of coordination, body awareness, and concentration makes Qi Gong a ________ practice

Fill in the blank(s) with the appropriate word(s).

Which of the following statements is FALSE about PISS standards?

a. The exact positions of pins and pinholes do not vary for each gas. b. In order to work, the yoke nipple has to seat in the recessed valve outlet. c. They apply only to cylinders using a yoke connection. d. They have six pin positions and 10 possi-ble pin/hole combinations.