Anatomy

Skeletal 

Provides support, shape, protection for internal organs and produces blood cells. 

Main organs: Bones, cartilage, ligaments, and tendons.

Muscular 

Enables movement, maintains posture, and generates heat.

Main Organ: Skeletal muscles, smooth muscles, and cardiac muscle.

Nervous

Coordinates voluntary and involuntary actions and transmits signals. 

Main Organ: Brain, Spinal cord, and nerves.

Cardiovascular

Transports nutrients, gases, hormones, and wastes.

Main Organs: Heart, blood vessels.

Respiratory 

Facilitates gas exchange by bringing in oxygen and removing carbon dioxide.

Main Organ: Lungs, trachea, bronchi, and larynx

Digestive

Breaks down food into usable nutrients and absorbs them into the bloodstream.

Main Organs : Mouth, esophagus, stomach, small intestines, large intestines, liver, and pancreas.

Endocrine

Regulates long term processes like growth, metabolism, and reproduction using hormones.

Main Organ : Glands

Urinary 

Filters blood, removes liquid waste, and balances fluids and electrolytes.

Main Organs: Kidneys, ureters, urinary bladder, and urethra.

Reproductive

Produces sex cells and facilitates reproduction to ensure the continuation of life. 

Main organs : Ovaries, uterus, vagina, testes,and penis.

Integumentary 

Protects internal tissues from injury, blocks pathogens,and regulates body temperature.

Main organs: SKin hair nails, and sweat glands

Immune / Lymphatic 

Defends the body against pathogens and maintains fluid balance.

Main organs: Lymph nodes, lymphatic vessels, spleen, thymus, and bone marrow.