Study Guide Group 2 Flashcards
Exam 1
Define Homeostasis
Steady state of body systems that all living things maintain
Feedback loops
The path by which some of the output is returned to the input
- Negative Feedback
- Positive Feedback
What is Negative Feedback
Reverses a deviation from the set point
Maintains body parameters within their normal range
3 Parts of Negative Feedback
Sensor
Control
Effector
What does the sensor do
Monitors a physiological value and reports to the control center
What does the control center do
Related the value to the normal range and sends to effector
What does the effector do
Causes a change to reverse the situation and return value to normal range
Example of Negative Effector
Fever
What is Positive feedback
Inhances a change in the bodys physiological condition rather than reversing it
Example of Positive Feedback
Child Birth
Visceral Serous Membrane
Lines the Organs
Parietal Serous Membrane
Lines the Walls of the body
Body Cavities in Ventral
Thoracic
Abdominal
Pelvic
Body Cavities in Dorsal
Spinal
Cranial
Major organs in Thoracic
Heart
Lungs
Esophagus
Major Organs in Abdominal
Spleen Stomach Pancreas Gallbladder Kidneys
Major organs in Cranial
Brain
Major organs in Spinal
Spinal Cord
Major organs in Pelvic
Reproductive organs
Urinary Bladder
Potential Energy
Stored Energy
Kinetic Energy
The Energy of Movement
Forms of Kinetic Energy
Thermal Radiation Sound Light Mechanical
