An Overview of all of the organ systems within the body

1. Overview of Body Systems

2. Body Systems
• Body systems are organ systems within the body that
work together to help the organism grow, develop, and
maintain homeostasis.
• They include:
– Integumentary system
– Digestive system
– Nervous system
– Reproductive system
– Muscular system
– Skeletal system
– Renal system
– Respiratory System
– Circulatory system

3. Integumentary system
• Protects the body against damage and water loss,
regulates body temperature, removes wastes,
senses things
• Contains:
– Skin – largest organ in the body
– Hair or fur
– Scales
– Feathers
– Nails
– Hooves

4. Digestive System
• Breaks down food for use by
the body
• Contains
– mouth
– Esophagus
– Stomach
– Spleen
– Liver
– Pancreas
– Small intestine
– Large intestine
– Rectum
• Food particles are absorbed
into the blood and travel
throughout the body.
• Removes waste

5. Nervous system
• Coordinates all movement and
sensory information for the
entire body
• Controls, interprets, and reacts
• Contains:
– Brain
– Spinal cord
– All other nerves

6. Reproductive System
• Contains sex organs and glands that influence
gender, reproduction, maturity, and all
changes that happen in the body during
adolescence.
• Female – ovaries, fallopian tubes, uterus,
vagina
• Male – testes, penis, urethra, prostate

8. Muscular system
• Responsible for all movement of
the body
• Controlled by the nervous system
• Contains all muscles within the
body, including:
– Skeletal muscles
– Heart (cardiac muscles)
– Smooth muscles (in digestive and
other systems)

9. Skeletal system
• Provides structure and
protection for the body
• 206 bones in a human adult
• Contains all bones in the
body

10. Renal system
• Removes waste from the
body
• Regulates blood volume,
blood pressure, controls
electrolyte levels, regulates
blood pH
• Contains:
– Kidneys
– Ureters
– Bladder
– urethra

11. Respiratory system
• Regulates the intake and exchange of Oxygen
and Carbon Dioxide
• Contains:
– Lungs
– Trachea
– Diaphragm
– Mouth and nose

12. Circulatory system
• Circulates blood
throughout the body
• Transports nutrients to
every part of the body
• Contains:
– Heart
– Veins
– Arteries
– capillaries