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14 Cards in this Set

  • Front
  • Back
Name the four classes of tissues
1. Epithelial tissue: flat sheet of tightly interconnected cells. Covers and lines all body pats
2. Connective tissue: individual cells dispersed in a flexible matrix. Holds parts together, provides mechanical support and includes bone and cartilage.
3. Muscle tissue:all muscle cells contract. Comes in three types-skeletal,cardial and smooth
4. Nervous tissue:contains neurons and Glial cells
What is an organ?
Two or more tissues that make a distinct structure with a specific function
True or false, Form follows function
True
Name the three principals of "form follows function"
Form may also be thought of as shape/structure of the organism.
Form evolves in response to the demands placed on body part
Most form takes shape during an organism's development
Name four ways muscles and skeletons work together
1. All animals move by contracting muscles against the skeleton.
Name three different types of skeletons
1. Hydroskeleton: earthworms, fluid-like internal space (coclum)
2. exoskeleton: outside skeleton
3. endoskeleton: inside skeleton
How many muscles does the human body have?
600
Muscles can only exert force in one direction: name that motion
Pulling, not pushing
True or false, muscles move in a tetrigonostic manner?
False: the correct answer is antagonstic, meaning "pull in opposite directions"
Name three kinds of connective tissues
1. cartilage: cushions the joint
2. ligaments: attach bones together and around the joint
3. tendons: attach muscle to bone
Name the three major tissue types of the bone
1. outer layer: compact bone tissue
2. spongy bone tissue
3. red bone marrow: found inside the spongy bone
Name two ways bones respond to use
1. Osteoblasts: specialized cells that make bone
2. Osteoplasts: similar cells that digest collagen and bone matrix
What is osteoporosis?
A condition in which the bones become extremely thin and weakened and can easily break due to a loss of bone mineral deposits (decalcification)
Name the four parts of the vertebrate endoskeleton:
1. backbone
2. vertebrae
3. skull
4. sutures