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The Hypothalamic-pituitary axis is the regulating centre of our endocrine system.
Smoking severely damages the respiratory system, it may cause COPD or lung cancer.
The skin plays an important role in protecting the body, while muscles and the skeleton provide its ability to move.
This animation demonstrates the internal structure of the brain
Eukaryotic cells with nuclei measuring only a few micrometers may contain nearly 2 meters of DNA, coiled multiple times.