Chapter 1 Flashcards
The study of the structure
Anatomy
The study of function
Physiology
And what is the bodies maintenance of a stable internal environment
Homeostasis
What are the characteristics of negative feedback
Effector opposes the original stimulus
Minimizes changes
Primary mechanism of homeostatic regulation
Set. May vary with changing environments or activity levels
What are the characteristics of positive feedback
Initial stimulus produces a response that exaggerates or enhances the change in the original conditions
Occurs when at the tensional dangerous or stressful process must be completed quickly
Example: clotting
What does supine mean
Lying down face up
What does prone mean
Lying down face down
What is the parietal layer
It lines a cavity or body wall
What is the visceral layer
Covers an organ
What are the thoracic membranes
Visceral pleura
Parietal pleura
Visceral pericardium
Parietal pericardium
What are the abdominalpelvic membranes
Parietal peritoneum
Visceral peritoneum
What do the mucous membranes do
Produce mucus
Line cavities and tubes that open to the outside of the body
What do serous membranes do
Produce interstitial fluids to bathe cells which reduces friction and maintains long inflammation
Where are the serous membranes found
Between the cells and membranes inside of the body
Which plane divides the body into right and left portions
Sagittal