Organization Of The Human Body Flashcards
(115 cards)
Homestasis definition:
regulating internal environment
Atonomy definition:
the science of structure and its relationship with other structure
Physiology definition:
the science of body functions
How many levels of organism in the human body?
6 (chemical, cellular, tissue, organ, system, organismal)
Chemical level definition:
Smallest unit of matter that particiate in chemical reaction
What is the smallest living unit in the human body?
Cells
Cellular level definition:
the basic structure and functional units of organism
Chemical level example
Atoms, molecules. DNA, hemoglobin, glucose
Cellular level example
Muscle, nerve, blood cells
Tissue level definition
Group of cells and materials that work together to perform a particular task
What are tissue made up of?
Cells
Tissue level example
Epithelial, connective, muscular, nervous tissue
Organ level definition:
Different kinds of tissues joined together to form body structure
What is a unique trait about organs?
They have a recognizable shape and are composed of 2 different types of tissues to perform a particular task
Organ example
Stomach, liver, heart, lungs, and brain
System level definition:
Relating organs that have a common function
What is the integumentary system made up of?
Skin, hair, nails, sweat/oil glandsand subcutaneous layer (under the skin)
Integumentary system function?
Regulate temp, protect body, eliminate waste and feel sensations
How many systems are there?
11 (integumentary, skeletal, muscular, nervous,endocrine, cardiovascular, lymphatic respiratory, digestive, urinary, and reproductive system)
What is the skeletal system made up of?
Bones, joint and cartilage
Skeletal system function
Support and protect body, support muscle attachment and movement
What is the muscular system made up of?
Skeletal muscle tissue
Muscular system function
Help body move
What is the nervous system made up of?
Brain, spinal cord, nerves, ears and eyes