Ch.1 Intro to the Human Body Flashcards
Definition of Anatomy
Study of structure and the relationship among structures
Definition of Physiology
Study of how the body structures function
The 4 different tissues
Epithelial
Connective
Muscular
Nervous
Define organs
Composed of 2 or more tissues and have specific functions
Epithelial tissue
Covers the body and lines surfaces
Connective tissue
Binds abs supports structures
Muscular tissue
Electrically excitable, causes movement
Nervous tissue
Electrically excitable, sends signals
The 11 Human body systems
Integumentary
Skeletal
Muscular
Nervous
Endocrine
Cardiovascular
Lymphatic
Respiratory
Urinary
Digestive
Reproductive
The 4 Biomolecules
Carbohydrates
Proteins
Lipids
Nucleic acids
Metabolism function
Breaks down or builds up
Catabolism
[Metabolism]
Breaks down Polymers into smaller subunits monomers
Anabolism
[Metabolism]
Builds up smaller molecules into larger molecules
Controlled conditions of Homeostasis
Temperature
Sugar level
Oxygen level
Water level
Ion levels
Respiration rate
Blood pressure
Negative Feedback Cycle
Reversing a chance to the cycle, bringing it back to normal