Anatomy Quiz Section 3 Study Guide

axial portion

head, neck, and trunk

appendicular portion

upper and lower limbs

cranial cavity

houses brain

vertebral canal(spinal cavity)

contains spinal cord

thoracic cavity

houses lungs and thoracic viscera

abdominopelic cavity

contains abdominal and pelvic viscera

diaphragm

muscle that separates the thoracic and abdominopelvic cavities

mediastinum

region between lungs in thoracic cavity, which contains heart, esophagus, trachea, thymus gland

abdominal cavity

extends from diaphragm to top of pelvis, and contains stomach, liver, spleen, kidneys, small intestine, most of large intestine

pelvic cavity

enclosed by pelvic bones, and contains end of large intestine, urinary bladder, internal reproductive organs

small cavities in the head

oral, nasal, orbital, and middle ear cavities

thoracic and abdominopelvic membranes

these cavities are lined by double layered serous membranes which secrete serous fluid

visceral layer

inner layer, which covers an organ

parietal layer

outer layer, which lines wall of cavity

visceral and parietal pleura

around lungs in thorax

visceral and parietal pericardium

around heart in thorax

visceral and parietal peritoneum

around abdominopelvic organs

integumentary system major organs

skin, hair, nails, sweat glands, sebaceous glands

integumentary system major functions

protect tissues, regulate body temperature, support sensory receptors

skeletal system major organs

bones, ligaments, cartilages

skeletal system major functions

framework, protect soft tissue, attachment for muscles, produce blood cells, store inorganic salts