The lung volume that represents the total volume of exchangeable air is the a. vital capacity b. expiratory reserve volume c. tidal volume d. inspiratory capacity

What was dr. willem johan kolff’s first step in using the scientific process to invent the hemodialysis machine? he built the machine and tried it with various patients, collecting data about its effectiveness. when a patient’s kidneys failed, he wondered if it would be possible to perform kidney functions with an external machine. he researched and collected data about numerous patients who exhibited symptoms of kidney failure. he drew conclusions from studies of various symptoms of kidney failure, and drew a design for the ideal external blood-processing machine.

Plants that have reproductive structures called cones are?

About how much of the cell mass is watet