1.1 part 2

Plane

Imaginary 2 dimensional surface passing through the body

Sagittarius plane

Divides the body vertically into right and left portions

Midsagittal/ median

Divides the body into equal right and left halves

Parassgaittal

Divides the body into unequal right and left portions

Frontal/coronal plane

Divides the body into anterior and posterior portions

Transverse planes

Divides the body horizontally into superior and inferior portions

Body cavity

Space within the body that contains, protects, and separates internal organs

Dorsal cavity

Posterior - spinal cord, brain

Ventral cavity

Anterior- heart, lungs, rib cage

Abdominal quadrants

Right upper. Left upper

Right lower Left lower

Abdominal regions 9

Right hypochondriac Epigostric Left hypochondriac

Right lumbar. Umbilical. Left lumbar

Right iliac Hypogastric Left ililiac

Set point

The physiological value around which a condition normally fluctuates

Normal range

range of values considered healthy and stable around a set point

Negative Feedback

A mechanism that reverses a change and moves a condition back toward its normal range. Promotes stability

Positive feedback

mechanism that amplifies a change rather than reversing it. Has a specific endpoint

Sensor

Detects the change

Control center

Evaluates info

Effector

Carries out the response