Basic Tissues and Integrated Cell Biology Epithelium The cytoskeleton The cell nucleus Cytomembranes Cell signaling Connective tissue Adipose tissue Cartilage Bone Osteogenesis Blood and hematopoiesis Muscle tissue Nervous tissue Sensory organs: Vision and hearing ORGAN SYSTEMS: Protection of the body Immune-lymphatic system The integumentary system ORGAN SYSTEMS: Blood circulatory systems Cardiovascular system Respiratory system Urinary system ORGAN SYSTEMS: The alimentary system Upper digestive system Lower digestive system Digestive glands ORGAN SYSTEMS: The endocrine system The neuroendocrine system Endocrine system ORGAN SYSTEMS: The reproductive system Spermatogenesis Sperm transport and maturation Follicle development and menstrual cycle Fertilization, placentation and lactation.