DISEASE EXAM 1
Building blocks of the body (smallest to largest)
1. Atom
2. Molecule
3. Organelles
4. Cell
5. Tissues
6. Organs
7. Organ Systems
8. Organism
Major Organs and Function of Cardiovascular System
-Major Organs: Heart, major arteries (red), major veins (blue).
-Function: To transport substances to and from body cells.
Major Organs and Function of Lymphatic System
-Major Organs: Tonsils, thymus, lymphatic vessels, spleen, lymph nodes.
-Function: To remove unwanted substances and recycle fluid to the blood.
Major Organs and Function of Respiratory System
-Major Organs: Pharynx, nose, larynx, trachea, bronchi, left and right lung.
, -Function: To exchange gases between the external environment and blood.
Major Organs and Function of Digestive System
-Major Organs: Pharynx, mouth, salivary glands, esophagus, liver,
gallbladder, colon, stomach, pancreas, small intestine.
-Function: To prepare foods for absorption into the bloodstream and eliminate
solid wastes from the body.
Major Organs and Function of Urinary System
-Major Organs: Urinary bladder, urethra, kidneys (2), and ureters (2).
-Functions: To remove nitrogenous wastes and excess water and salts from
the bloodstream.
Major Organs and Function of Female Reproductive System
-Major Organs: Mammary glands, fallopian tube, uterus, ovary, and vagina.
-Functions: To provide for creation of new individuals.
Major Organs and Function of Male Reproductive System
-Major Organs: vas deferens, testis, prostate, urethra, and penis.
-Functions: To provide for creation of new individuals.
Major Organs and Function of Nervous System
-Major Organs: Brain, spinal core, and nerves.