Which bones are axial and/or appendicular?

a. the femur and vertabral column are axial.
b. the femur is axial and the veritabral column is appendicular.
c. the femur is appendicular and vertabral column is axial.
d. the femur and vertabral column are appendicular.

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.

Compare and contrast region e in the illustration above with region d. describe the physical characteristics of each region.

Advances in technology have enabled scientists and researchers to better study the evolutionary relationships between species