These thin-walled vessels are the only ones through which exchanges are made between body cells and blood.

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.

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Which units ate used to measure both velocity and speed? check all that apply