Search Results for: Animal bones
the body and lungs with heart , blood and blood vessels . urinary system : kidneys , ureters , bladder and urethra involved in fluid balance, electrolyte balance and excretion of urine . integumentary system : skin , hair , fat , and nails . skeletal system : structural support and protection with bones
physiological division of labor, introduced in the s by the french physiologist henri milne-edwards , allowed to "compare and study living things as if they were machines created by the industry of man." inspired in the work of adam smith , milne-edwards wrote that the "body of all living beings, whether animal...
https://en.wikipedia.org/wiki/Biological_system