ATP and Cell energy Model Set, Includes: Carbon/Hydrogen/Oxygen/Nitrogen/Phosphorus atoms, Red links for high energy bonds, Gray links for single/double bonds, Illustrate that metabolic processes use ATP as an energy source/convert it back into inorganic phosphate/ADP
Photosynthesis and Respiration Model Set, Fundamental processes in the flow of energy, Students build glucose and oxygen molecules at the giant chloroplast, Move the molecules to the mitochondria and reassemble them into carbon dioxide and water molecule
Deluxe Functional Knee Joint, This high-quality deluxe functional knee joint model with ligaments shows the anatomy and possible physiological movements of the human knee joint. This model clearly demonstrates abductions, anteversion, retroversion
Model, Labor Stages, mounted individually bases: Fetus in womb, cervix closed, Fetus in womb, cervix open, Fetus in womb, start of head passage, Fetus in womb and pelvis, finish of head passage, Placenta in the womb, Dimensions: 40 x 31 x 13 cm, weight: 2 kg