Define homeostasis
The constant and stable internal environment within a narrow range despite changes that occur in the external environment (required to sustain life)
Where is DNA stored in a cell
Nucleus
What is an organ?
A group of 2 or more tissues acting together to perform specific functions.
What are the 3 types of cartilage?
Hyaline, fibrocartilage, elastic
What does ATP stand for?
Adenosine triphosphate
Define allostasis
The process of achieving homeostasis through physiologic and behavioral changes.
What is the mitochondria responsible for producing?
ATP
What are the 4 principal types of tissue?
Epithelial, connective, muscle, nervous
What are the 4 components of blood?
What is the primary differentiator between active and passive transport?
Active transport requires energy, while passive does not
Define metabolism
The biochemical processes that occur within a living organism to maintain life.
What is the purpose of a lysosome?
Remove and recycle cellular debris
What are the different possible layerings of epithelial tissue? What are the different shapes?
Simple, stratified, pseudostratified
Squamous, cuboidal, columnar
What are bone cells called?
Osteocytes
In which cavity are your lungs located?
Throacic
Define phagocytosis
The engulfing of some cellular component by another cell for the purposes of digestion by the lysosome.
What is the role of ribsomes and what are the 2 types?
Create proteins; free-floating and ER-bound
What are the 4 types of connective tissue?
Fibrous, bone, blood, cartilage
Which type of connective tissue comprises tendons and ligaments?
Dense regular (fibrous) tissue
What are the 3 types of passive transport that we have discussed, and describe each.
Diffusion: The movement of molecules from an area of high concentration to an area of low concentration.
Osmosis: The movement of water from an area of low concentration to high concentration.
Filtration: The movement of water and molecules across a membrane due to pressure.
Define rhabdomyolysis by explaining the definition of each affix and root.
Rhabdo - striations
Myo - muscle
lysis - breakdown
Breakdown of striated (skeletal) muscle
What are the roles of the rough and smooth endoplasmic reticulum respectively?
Create proteins for outside the cell; detoxify and create lipids
What are the 3 types of protein fibers, and which is most abundant?
Elastin, reticulin, collagen; collagen with 25% of all protein in the body
Which 2 types of connective tissue comprise fascia?
Areolar and adipose tissue
Name the 3 types of epithelial membranes and name an example of each. There is one type that has 2 specific sides; what are they?
Cutaneous membranes, mucous membranes, serous membranes
Examples: skin, mouth, pericardium
Serous membrane sides: visceral and parietal