This document contains questions and answers related to anatomy and physiology. It begins with short questions that define key anatomical and physiological concepts like cells, organelles, and selective permeability of the plasma membrane. It then provides longer explanations of topics like Golgi bodies and the neuromuscular junction. The document concludes with longer questions asking to explain topics such as homeostasis, the eyeball, parts of the ear, basic structural units of the body, synovial joints, bones vs cartilage, sliding filaments, bone histology, and the somatic and autonomic nervous systems.