The specialization of complex body parts like organs and organ systems is based
on varied combinations of limited set of cells and tissue types.
Our body is built for 4 main type of tissues: epithelial, connective, muscle &
Module 25.10 ** Many Diagrams
Integumentary System: protects your body against physical injury, infection,
excessive heat/cold, drying out.
hair, skin, nails
Digestive System: ingests, digests your food, absorbs nutrients & eliminates
undigested material mouth, esophagus, liver, stomach, small
intestine, large intestine, anus
Respiratory System: exchanges gases with environment, supplying blood with
O2 and disposing of CO2.
Larynx, trachea, bronchus, lung, nasal cavity, pharynx
Circulatory system: delivers O2 and nutrients to your body cells and
transports CO2 to lungs and metabolic wastes to kidneys
heart, blood vessels
Urinary System: removes waste products from blood and excretes urine. Regulates
PH and water balance of blood
kidney, ureter, urinary bladder, urethra
Endocrine System: secretes hormones that regulate activities of your body; thus
maintaining an internal steady state called homeostasis Thymus, adrenal gland, pancreas, testis (male), ovary (female), hypothalamus, pituitary gland, th