Body Organization Flashcards
(35 cards)
What are the levels of body organization?
Chemical, Cellular, Tissue, Organ, System, Organism
What are the 4 major tissue types?
Epithelial, Connective, Muscle, Nervous
What does epithelial tissue do?
Covers and protects organs and surfaces
What system controls body responses?
Nervous system
What is the function of mitochondria?
Produces energy (ATP)
What are the body planes?
Sagittal, Frontal (coronal), Transverse
What is active transport?
Movement through membrane using energy
What does the urinary system do?
Removes waste, balances water and salts
What biomolecule stores genetic info?
Nucleic acids (DNA/RNA)
What are two genetic disorders?
Down Syndrome, Klinefelter’s
What is the basic structural and functional unit of life?
The cell
Which level of body organization comes directly after the tissue level?
Organ level
Which system includes the skin, hair, and nails?
Integumentary system
What is the function of the skeletal system?
Provides support, protection, and makes blood cells
Which tissue type is responsible for movement?
Muscle tissue
What type of tissue covers body surfaces?
Epithelial tissue
Which plane divides the body into left and right halves?
Sagittal plane
Which directional term means ‘closer to the point of attachment’?
Proximal
Which directional term means ‘toward the midline’?
Medial
What system controls and coordinates body activities?
Nervous system
What body system filters blood and produces urine?
Urinary system
Which system breaks down food into nutrients?
Digestive system
What does the term ‘anterior’ mean?
Toward the front of the body
What does ‘posterior’ refer to?
Toward the back of the body