The Boundless Human Physiology textbook is a college-level, introductory textbook that covers the intriguing subject of Human Physiology. Boundless works with subject matter experts to select the best open educational resources available on the web, review the content for quality, and create introductory, college-level textbooks designed to meet the study needs of university students.This textbook General Chemistry -- Matter and Energy, Element Atomic structure, Chemical Bonds, Chemical Reactions, Inorganic Compounds, Organic CompoundsCellular Structure and Function -- the study of cells, Cell membranes and the fluid mosaic model, Transport across membranes, How reception works in cell signaling, Nucleus and Ribosomes, Organelles, The Cytoskeleton, External cellular components, Cell process and importance, The cell cycle, Transcription and translation, RNA processing, Translation to a polypeptide, Transcription, Apoptosis signals an orderly cell deathTissues -- Epithelial Tissue, Cell Junctions, Clinical Cases, Tissue Repair, Tissue Development, Cancer, Connective Tissue, Membranes, Nervous TissueThe Integumentary System -- The Skin, Accessory Structures of the Skin, Functions of the Integumentary System, Wound Healing, Integumentary System Development, Skin Disorders, Imbalances, Diseases, and Clinical CasesThe Skeletal System -- Overview of the Musculoskeletal system, Divisions of the Skeletal System, The Axial Skeleton, Skull, Hyoid Bone, Vertebral Column, Thorax, Clinical Cases of the Axial Skeleton, The Appendicular Skeleton, The Pectoral (Shoulder) Girdle, Upper Limb, The Pelvic (Hip) Girdle, Lower Limb, Skeletal System Development, Clinical Cases of the Appendicular SkeletonThe Muscular System -- Overview of the Muscular System, Head And Neck Muscles, Trunk Muscles, Muscles of the Upper Limb, Muscles of the Lower Limb, Clinical Cases and Muscular System DisordersCentral Nervous System (CNS) -- The Brain, Consciousness, Sleep, Language, and Memory, Protection of the Brain, Parts of The Brain Stem, The Cerebellum, The Diencephalon, Cerebral Cortex (or Cerebral Hemispheres), Functional Systems of the Cerebral Cortex, Development of the CNS, Brain Disorders and Clinical Cases, The Spinal Cord, Spinal Cord Anatomy, Disorders and Clinical Cases of the Spinal CordPeripheral Nervous System (PNS) -- Sensation, Sensory Receptors, Somatosensory System, Nerves, Cranial Nerves, Spinal Nerves, Distribution of Spinal Nerves, Motor Activity, Motor Pathways, Reflexes, Pain, Development of the Nervous System, Disorders of Spinal Nerves and Clinical CasesThe Endocrine System -- Overview of the Endocrine System, Hormones, Mechanisms of Hormone Action, Hormone Interactions, Hormone Secretion Control, Endocrine Glands, The Pituitary Gland (Hypophysis), Thyroid Gland, Parathyroid Glands, Adrenal (Suprarenal) Glands, Pancreas, Other Endocrine Tissues and Organs, Stress, Developmental Aspects of the Endocrine System, Disorders and Clinical Endocrine SystemBlood -- Overview Blood, Erythrocytes (Red Blood Cells), Leukocytes (White Blood Cells), Platelets, Hemostasis, Transfusions, Developmental Aspects of Blood, Blood Disorders and Clinical CasesThe Cardiovascular System -- The Heart, Circulation and Heart Valves, Cardiac Muscle Tissue, Heart Physiology, Exercise and the Heart, Heart Development, Heart Disorders and Clinical CasesThe Cardiovascular Blood Vessels -- Blood Vessel Structure and Function, Arteries, Venous System