class 1 Flashcards
Anatomy
Study of the structure
Gross Anatomy
What you see with the naked eye
Microscopic
What you see with the aid of a microscope
Physiology
Study of the function
Anatomical position
Position shown in models face forward palms forward
Hierarchical organization of the body
Going from small to big - Atoms, Molecules/compounds, cells, tissue, organ, organ systems, organism
Atom
Smallest piece of matter
Molecule
Group of atoms bonded together
Cells
basic building block of your body
Tissue
Group of cells
Types of tissue
Epithelial, Connective, Muscular, Nervous
Organ
Group of tissue
Types of Organ systems
Nervous, respitory, digestive, reproductive, integumentary, skeletal, muscular, urinary, circulatory+immune, endocrine
Organ system
Group of organs that work together
homeostasis
To maintain a stable internal environment at which the body works its best
Negative feedback loops
Stop movement away from homeostasis to try to go back to normal
Positive feedback loop
Stimulates movement away from homeostasis to a finite point
Structure of an atom
Nucleus, electrical orbits, subatomic particles
Subatomic particles
proton, neutron, electron