ANSC 218 Unit 1 Other things

Anatomy

form/ structure of body

Physiology

functions of body and its parts

Cells

require oxygen, nutrients (like glucose), and waste removal to survive

Directional terms

adjectives used to describe areas on an animal body

Two main body cavities

Ventral and Dorsal Cavities

Two smaller Dorsal Body Cavities

Cranial and Spinal

Cranial Cavity (Cranium)

Holds brain

Spinal Cavity (Spinal Canal)

Holds spinal cord

Two Smaller Ventral Body Cavities

Thoracic and Abdominal

Thoracic Cavity

holds heart, lungs, major vessels, esophagus, lymph nodes

Abdominal Cavity

holds stomach, intestinal tract, liver, spleen, kidneys, urinary bladder, some reproductive organs and more…

Visceral

relating to organs of the body

Diaphragm

separates thoracic and abdominal cavities

Pleura

thin membrane that covers organs and lines inside of thoracic cavity

Visceral Pleura

covers outer surface of organs in thoracic cavity

Parietal Pleura

lines inside of thoracic cavity

Peritoneum

covers organs and lines inside of abdominal cavity

Visceral Peritoneum

covers organs in abdomen

Parietal Peritoneum

lines inside of abdominal cavity

Health

state of normal anatomy and physiology

Disease

results when structures or functions of body become abdnormal

Homeostasis

maintenance of dynamic equilibrium in body

Homeostasis involves maintenance of normal:

Body temp, acid-base balance, fluid balance/hydration, hormone levels, nutrient levels, oxygen levels, and more