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A vasectomy, showing how each vas deferens is tied off in two places and then a section is removed f
Sagittal section of the nasal cavity and pharynx.
Anatomy of the skin. Illustration of a section of skin showing key structures.
Primates use their space in a variety of ways: home ranges, core areas, and territories.
Swabbing a Petri dish to spread apart colonies. Bacitracin disk is used to prove the presence or ...
Used antifreeze coolant should be kept separate and stored in a leakproof container until it can be ...