Homeostasis
Homeostasis is the maintenance of a stable internal environment of the body
The mechanism involves sensory receptors, control center with a set point (37degree)
Regulates:
Body temperature
Blood pressure
Blood glucose concentration
Body Cavities - Principal Viscera
Cranial Cavity -- Brain
Vertebral Cavity -- Spinal cord
Thoracic Cavity -- Lungs, Heart
Abdominal Cavity -- Digestive organs, kidneys
Pelvic Cavity -- Bladder, rectum, reproductive organs
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Directional terms
Tip to understand- look at the subject behind first then to the front
Superior
To the top
The head is superior to the chest
Inferior
Away from the head
The stomach is inferior to the chin
Ventral [ Anterior]
In front of the body
The rib cage is anterior to the spine
Dorsal [Posterior]
The back of the body
The heart is posterior to the rib cage
Medial
Toward the middle line of the body
The heart is medial to the arms
