PTP Ch1 Flashcards
How does structure relate to function?
Structure determines function; the arrangement of parts allows for specific roles.
Explain how the levels of organization lend themselves to complexity.
Higher levels of organization build on lower levels, resulting in complex systems.
Name the six levels of organization that make up the body.
- Chemical level
- Cellular level
- Tissue level
- Organ level
- Organ system level
- Organism level
Name the organ systems of the body; briefly state the major functions.
- Integumentary system: protects body
- Skeletal system: supports and protects organs
- Muscular system: enables movement
- Nervous system: controls and coordinates activities
- Endocrine system: regulates bodily functions through hormones
- Cardiovascular system: transports blood and nutrients
- Lymphatic system: defends against infection
- Respiratory system: facilitates gas exchange
- Digestive system: processes food
- Urinary system: removes waste
- Reproductive system: produces offspring
List eight functions that humans must perform to maintain life.
- Maintaining boundaries
- Movement
- Responsiveness
- Digestion
- Metabolism
- Excretion
- Reproduction
- Growth
List five survival needs of the human body.
- Nutrients
- Oxygen
- Water
- Stable body temperature
- Atmospheric pressure
What is the anatomical position?
Standing upright, facing forward, arms at the sides, palms facing forward.
True or False: Directional terminology is important for accurately describing locations on the body.
True
What are body planes?
- Sagittal plane
- Frontal (coronal) plane
- Transverse plane
Describe how the feedback system works.
A feedback system monitors changes and adjusts processes to maintain homeostasis.
