Match the term to the correct system.
hormones
a. immune system
fingernails b. endocrine system
sperm and egg c. excretory system
bladder d. reproductive system
killing pathogens e. integumentary system

micro/nanoscale topography surface exhibits many prominent properties and is extensively employed in biomedical device, microfluidic device and energy device fabrication. additionally, the clinical applications of biomaterials can be largely expanded with of nanostructured surfaces.

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