Human Body Systems Flashcards
Skeletal System
Key Structures?
Function(s)
Key Structures
Bones
Joints
Function(s) Protects and supports body organs, provides a framework the muscles can use to cause movement, stores minerals
Muscular System
Key Structures?
Function(s)
Key Structures
Skeletal Muscle
Cardiac Muscle
Smooth Muscle
Function(s)
Moves the body and move substances around the body, maintains posture, produces heat
Nervous System
Key Structures?
Function(s)
Key Structures Brain Spinal Cord Sensory Receptors Nerves
Functions
Responds to internal and external changes by activating an appropriate response; processes information
Cardiovascular System
Key Structures?
Function(s)
Key Structures
Heart
Blood Vessels (veins, arteries, and capillaries)
Function(s)
Pumps blood around body, transports oxygen, carbon dioxide, nutrients, and waste
Respiratory System
Key Structures?
Function(s)
Key Structures Lungs Nasal Cavity Trachea Bronchus
Function(s)
Gas exchange with external environment, keeps blood supplied with oxygen, removes carbon dioxide
Lymphatic and Immune System
Key Structures?
Function(s)
Key Structures Lymph nodes Spleen Thymus Bone Marrow
Function(s)
Filters fluid in the body, mounts the attack against foreign substances in the body
Digestive system
Key Structures?
Function(s)
Key structures Oral Cavity Esophagus Stomach Small Intestine Large Intestine Liver
Function(s) breaks down food into its nutrient molecules, absorbs nutrients, rids the body of waste
Urinary System
Key Structures?
Function(s)
Key structures Adrenal gland Pituitary gland Ovary Testis
Function(s) eliminates waste from the body, regulates water balance of the blood
Integumentary System
Key Structures?
Function(s)
Key Structures
Skin
Hair
Nails
Function(s) forms the body’s external covering, protects deeper tissue from injury, helps regulate body temp.
