Human Body Systems

Integumentary System - Components

Skin, hair, nails, sweat glands, oil glands.

Integumentary System - Functions

Protects body, regulates temperature, synthesizes vitamin D, sensory reception, prevents water loss.

Skeletal System - Components

Bones, cartilage, ligaments, joints.

Skeletal System - Functions

Supports body, protects organs, enables movement, stores minerals, produces blood cells.

Muscular System - Components

Skeletal muscles, smooth muscle, cardiac muscle.

Muscular System - Functions

Movement, posture maintenance, heat production, internal transport of substances.

Nervous System - Components

Brain, spinal cord, nerves, sensory organs.

Nervous System - Functions

Detects stimuli, processes information, coordinates responses, enables thinking and emotions.

Endocrine System - Components

Glands (pituitary, thyroid, adrenal, pancreas, ovaries/testes), hormones.

Endocrine System - Functions

Regulates growth, metabolism, reproduction; maintains homeostasis.

Cardiovascular System - Components

Heart, blood, blood vessels.

Cardiovascular System - Functions

Transports oxygen, nutrients, hormones, and waste; regulates temperature and pH.

Lymphatic/Immune System - Components

Lymph, lymph nodes, vessels, spleen, thymus, tonsils, white blood cells.

Lymphatic/Immune System - Functions

Returns fluid to blood, defends against disease, filters pathogens, produces immune cells.

Respiratory System - Components

Nose, nasal cavity, pharynx, larynx, trachea, bronchi, lungs, alveoli.

Respiratory System - Functions

Exchanges oxygen and CO2, regulates pH.

Digestive System - Components

Mouth, esophagus, stomach, intestines, rectum, liver, pancreas, gallbladder.

Digestive System - Functions

Breaks down food, absorbs nutrients, eliminates waste, regulates water balance.

Urinary/Excretory System - Components

Kidneys, ureters, bladder, urethra.

Urinary/Excretory System - Functions

Eliminates waste, regulates blood volume/pressure, balances fluids and electrolytes.

Reproductive System - Components F

Ovaries, fallopian tubes, uterus, vagina, mammary glands

Reproductive System - Components M

Testes, epididymis, vas deferens, prostate, penis

Reproductive System - Functions

Produces sex cells, enables reproduction, produces sex hormones, supports fetal development (female).