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Lecture 1 and 2 Human Physiology Dr. Steury

Across
Organelles:ER, Golgi, Mitochondria, lysosomes, peroxisomes
Modifies molecules into finished products; Sorts, packages, and directs molecules to their final destinations; Produces lysosomes
synthesizes proteins for secretion or exported (hormones or enzymes) or incorporated into the membrane (plasma or organelle)
connects, supports, and anchors various body parts
houses cells genetic material DNA organized into 46 chromosomes (blueprint for replication and directs protein synthesis)
distinct, highly organized structures that perform a specialized function
selectively controls movement into and out of a cell
Serves as central packaging and discharge site, forms transport vesicles
our understanding of health and disease and how our body works as a cohesive whole
Initiating and transmitting electrical impulses acting as signals
All aqueous solution (water) that is OUTSIDE of the cell
collections of organs that perform related functions
body structure that integrates different tissues to perform particular functions
Complex protein network that acts as “bone and muscle” of cells; Microtubules, Microfilaments, Intermediate filaments
digestive system of cell degrade extracellular material and remove dysfunctional organelles
The study of how our body works
Down
How many body systems does the human body contain?
the dynamic steady state in the internal environment
exchange materials between the cell and environment, can create a barrier or form a gland (sweat glands, hormones etc)
extract energy derived from nutrients in food and transform it to the usable energy stored in ATP molecules
Actions to Prevent Further Deviation from Homeostasis, shuts off system responsible for response
Moves the system away from normal set point, enhances or amplifies the initial change
A secretory vesicle is formed, uncoated (revealing V-snare), docked at plasma membrane (on T-snare) and membranes fuse and contents are released to the ECF
Part of the inside of a cell not occupied by nucleus, contains organelles, cytoskeleton and cytosol
studded with ribosomes where protein synthesis occurs
Organelles: Centrioles, ribosomes, vaults
Aqueous solution (water) that is INSIDE the cell
Combination of body systems
All living organisms are composed of one or more cells. The cell is the basic unit of structure and organization in organisms. Cells arise from pre-existing cells.
Planned cell death
There are four primary types: Muscle, Nervous, Epithelial and Connective
specialized cells for contraction – producing tension movement