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Lymphatic vessels pick up excess tissue fluid, purify it in the lymph nodes, and then return it to t
Use of the tympanic thermometer to measure body temperature.
Jane Goodall first observed Gombe chimpanzees chewing leaves, then dipping the chewed-up “wadge” int
Multiple synapses on the body of a single neuron
Nutrients in Foods and in the Body
Lemon shark giving birth to young that recently hatched in her body. The young were nourished by egg