The skeletal system comprises 206 bones and has two main parts: the axial skeleton and the appendicular skeleton. The skeletal system includes your bones, ligaments that attach bone to bone, and ...

aMcKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, USA bDepartment of Biological Chemistry, Johns Hopkins University School of Medicine, ...

Respiratory system models are experimental systems that recreate aspects of human respiratory system development, function or disease. Animal models such as dog, rodent and pig can be used to ...

Lungs are part of the respiratory system, a group of organs and tissues that work together to help you breathe. You can live for two weeks without food, two days without water, but only two minutes ...