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19 Cards in this Set

  • Front
  • Back
- a collection of cells
- types of tissue: epithelial tissue, connective tissue, muscle tissue, nervous tissue
epithelial tissue
- sheets of tightly packed cells sitting on a basal lamina (basement membrane)
- found on body coverings
structure of epithelial tissue
- shape: squamous (flattened), columnar (column shaped), cuboidal (cube shaped)
- layering: simple (one layer on top of basal lamina), stratified (more than one layer), pseudostratified (irregular, inconsistent shape)
connective tissue
- sparse population of cells in extracellular matrix
- web of fibers
- bind and support other kind of tissues: loose CT, fibrous CT, cartilage, bone.
- adipose tissue, blood
fibrous connective tissue
- tendons (muscle to bone)
- ligaments (bone to bone)
- lots of collagenous fibers
loose connective tissue
- holds organs in place
- connects epithelia to underlying tissue.
- few collagenous fibers.
adipose tissue (connective)
- stores fat in adipose cells
- insulates and pads
- store energy
blood (connective tissue)
- liquid extracellular matrix (plasma)
- carries nutrients and wastes
- O2 and CO2.
cartilage (connective tissue)
- chondrocytes (type of cell)
- condroitin matrix- what makes it rubbery
bone (connective tissue)
- osteoblasts (type of cell)
- mineralized matrix
muscle tissue
- long cells
- capable of contracting (excitable, or by nerve signals)
- most abundant tissue
- three kinds of muscle tissue
skeletal (striated) muscle tissue
- related to voluntary movements
- very strong
- fatigues easily
smooth muscle tissue
- shorter cells (spindle shaped)
- branched fibers
- involuntary movements (internal organs).
- capable of sustained contraction
cardiac muscle tissue
- only found in the heart
- kind of striated, but branched
- must be capable of sustained activity
nervous tissue
- neurons - the functional unit of the nervous system.
- excitable
- carry nerve impulses
- control and coordination.
- the maintenance of a steady state
- negative feedback
- body temperature stays relatively constant
- capable of intense and prolonged activity
- requires a lot of energy
- have a basal metabolic rate
- body temperature is not constant
- incapable of intense and prolonged activity
- requires a lot less energy
- has a standard metabolic rate
____ influences metabolic rate of endotherms