Human Biology Flashcards
Body can be divided into what?
Cavaties, tissue types, and systems
Definition of a cavity
spaces within the body which contain organs or viscerea
What are the two types of cavaties?
Dorsal and Ventral
Dorsal cavity is
back/posterior; may be subdivided into cranial or vertebral cavity
Ventral cavity is
front/anterior; subdivided into thoracic or chest cavity
Chest cavity contains
diaphragm, heart, plaeral sacs and lungs
Abdominal cavity contains
stomach, small intestine, large intestine, liver, gallbladder, pancreas, spleen, kidney, and uterus
pelvic cavity contains
urinary bladder, parts of the large intestine, and in females the reproductive organs
Scrotal cavity contains
male reproductive organs; only in MALES
Tissue definition
composed of specialized cells which perform a specialized function
What are the types of tissue
epithelial, muscle, nervous and connective
Epithelial Tissue…
forms thin protective layer on exposed bodily surfaces; secretion and absorbs
what are the three different types of epithelial
squamaus: irregular shape/flattened edges
Cuboidal: cube shaped
Columnar: column shaped
Muscle tissue
composed of long cells called muscle fibers; most abundant tissue type in a typical animal
what are three types of muscle tissue
skeletal, cardiac, smooth