Body Systems
Urinary system
Excretion of wastes
Skeletal system
Protection and support of body organs
Muscular system
Movement, posture and heat production
Integumentary system
Protection (skin)
Endocrine system
Hormone production
Respiratory system
Absorption of oxygen
Female reproductive system
Production of eggs, fertilization, birth
Male reproductive system
Production and delivery of sperm
Circulatory system
Distribution of oxygen, nutriments, wastes, hormones, electrolytes, immune cells
Digestive system
Breakdown and absorption of nutriments
Lymphatic system
Fluid balance and production of immune cells
Nervous system
Control, regulation and coordination of other systems
