Chapter 4 Flashcards
List the levels of organization of the body.. smallest to largest
Cell, tissue, organ, organ system, organism
The smallest structural and functional unit of life preforming all functions associated with life
Cell
Composed of cells that preform specialized or common functions
Tissues
List the 4 types of tissues the body has
Epithelial, connective, muscle, nervous
Covers the surface of the organs, lining the cavities, and the outer layer of the skin: epidermis
Epithelial
Supports other body tissues, like cartilage, adipose, bone, and even blood
Connective tissue
Responsible for movement, this is a contractile tissue
Muscle tissue
Transmits electrical impulses to relay information through out the body
Nervous tissue
Composed of two or more tissue types
Organ
Composed of various numbers of organs and structures with similar functions
Organ systems
Highest level of organization; a complex living entity capable of independent existence
Organism
Imaginary flat surface that divides the body into two sections
Body plans
Plane runs though the center of the body, divides into right and left halves
Midsagittal (median)
Plane divides into an anterior and posterior section
Coronal (frontal)
Plane divides into a top and bottom section
Transverse (horizontal)
Name the two body cavities
Dorsal (posterior) and ventral (anterior)
What 2 things does the dorsal cavity have
Cranial and spinal
What 3 things does the ventral cavity have
Thoracic, abdominal, pelvic
The abdominopelvic cavity divides into what
Four quadrants, horizontal and vertical line.. right upper and lower quadrant, left upper and lower quadrant
RUQ, RLQ, LUQ, LLQ
Pertaining to the umbilicus (naval)
Umbilical
Above the stomach
Epigastric
Beneath the umbilicus (naval)
Hypogastric
On the left lower side near the groin (ileus)
Left inguinal or left iliac
On the right middle side near the waist
Right lumbar