Unit 1 CH1 Flashcards
Organization of the Human Body
Integumentary System
Skin. Outermost body system. Protection from injury/infections.
Skeletal System
Bodys framework. 206 bones.
Muscular System
Produces movement, protects organs, structure.
Nervous System
Controls and coordinates the body.
Endocrine System
Glands produce hormones, which regulate body activities.
Cardiovascular System
Pumps blood to all tissues. Carries waste away.
Lymphatic System
Vessels assist in circulation by returning fluids from tissues to blood. Immunity.
Respiratory System
Takes in air. Oxygen passes into blood into tissues. Carbon dioxide expelled.
Urinary System
Rids the body of waste products and excess water.
Reproductive System
Production of offspring.
Negative Feedback
Main method for maintaining homeostasis.
* Regulated Variable
* Set Point
* Sensor/Control Center
* Effector
Gradient & Resistance
A difference in specific physical or chemical values. Resistance factors inhibit flow down gradient.
Dorsal Cavity
Cranial & Spinal Cavities
Ventral Cavity
Thoracic & Abdominopelvic
Top row of abdomen
Left/Right Hypochondriac
Epigastric
