Hong Kong Housing in Quarry Bay
Capillaries in lung. Capillaries surround the individual alveoli ,air sacs, allowing for the exchange of oxygen and carbon dioxide between the capillaries and the alveoli. Mammal **On Page Credit Required** - SEM X415 3.5" X 6.5"
Hypodermic Needle with Blood
Where to listen for lung sounds.
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This is a scanning electron microscope image from normal circulating human blood.
Synapse. SEM of a neuromuscular junction showing a motor neuron (orange) terminating on skeletal muscle fibers (pink).
First step in phagocytosis, or "cell eating" a macrophage extends several pseudopods from it's singlecelled form to embrace a number of E-coli bacteria. The Wars Within - Imgur