Chapter 5 Flashcards
(37 cards)
Anatomy
Organs and systems
Physiology
How those organs and systems work
Anatomic position
Standing with palms up
Supine
Lying on one’s back
Prone
lying on one’s belly
What is in the ventral cavity?
The thoracic cavity, the diaphragm, the abdominal cavity, the abdominal pelvic cavity, and the pelvic cavity
What is in the dorsal cavity?
Cranial cavity and the spinal cavity
Homeostasis
Steady state or equilibrium
Catabolism
The breakdown of complex substances for energy
Anabolism
Conversion of simple substances to more complex substances
Cells
Smallest unit of organization in the body
Tissues
Groups of similar cells that work together to perform a special function
Organs
Group of similar tissue that come together to form a single structure
Systems
Groups of organs working together
Skeletal system function
To maintain body shape and support
Skeletal system structures
Bones which include flat (ribs), irregular (vertebrae), long (femur), and short (carpals)
Joints
Supporting connective tissue which includes ligaments and cartilage
Muscular system function
To move, maintain posture and produce heat
Muscular system structures
Cardiac muscle
Skeletal muscle
Smooth muscle
Intergumentary system functions
Protects body, regulates body temperature, eliminates some waste, receives environmental stimuli, and manufactures vitamin D from sunlight
Integumentary system structures
Skin, hair, nails
Exocrine glands
Blood vessels, common nerves, and sensory organs within skin
What are the layers of skin and where do blood vessels lie?
Epidermis
Dermis
Subcutaneous
Blood vessels lie within the dermis and subcutaneous layers
Nervous system functions
Controls and coordinates activities of various body systems by electrical, impulses and chemical substances sent and received
Somatic nerves
Voluntary; allows one to control skeletal muscles
Autonomic nerves
Involuntary; controls cardiac and smooth muscle