Cross section illustrations of human eyes with concave and concave lenses looking at green tree
Arrow Sign, Astigmatism, Biomedical Illustration, Concave, Convex, Cross Section, Direction, Directly Above, Eyesight, Focus, Green, Human Eye, Lens, Light, Long, Looking, No People, Part Of
Using an asthma inhaler, three steps
Adult, Arrow Sign, Asthma Inhaler, Asthmatic, Caucasian Appearance, Guidance, Healthcare and Medicine, Human Head, In A Row, Inhaling, Men, Multiple Image, One Person, Pen and Ink, Profile, Relief
Digital illustration of how human brain uses blindsight to visualize moving tennis ball
arrow sign, biomedical illustration, blindsight, brain, connection, digitally generated, direction, human eye, no people, optic nerve, physiology, sensory perception, studio shot, tennis ball
Digital illustration of human eye transforming images made from light into electrical impulses
arrow sign, biomedical illustration, blue background, connection, cornea, cross section, digitally generated, direction, eyesight, full frame, horizontal, human eye, iris, lens, no people
Illustration showing direction air passes through bony crest on top of Parasaurolophus skull
Air, Anatomy, Animal Bone, Animal Themes, Arrow Sign, Bony, Close-Up, Crest, Cross Section, Direction, Extinct, Illustration and Painting, No People, On Top Of, Paleontology, Parasaurolophus
burning, coal, cross section, digitally generated, direction, engine, heat, horizontal, motion, no people, steam train, studio shot, the past, transportation, white background, arrow sign
Aquifer, Arrow Sign, Carbon Dioxide, Close-Up, Coal, Connection, Cross Section, Day, Digitally Generated, Direction, Environment, Fossil Fuel, Fuel and Power Generation, Geology, Global Warming
