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Muscular System
| Question | Answer |
|---|---|
| The contractile unit of a muscle cell is the | sarcomere |
| Synovial joints are | freely movable |
| The joint present during the growth years between the epiphyses of a long bone and its diaphysis is the | synchrondrosis |
| Muscle tone is maintained by | negative feedback |
| A contraction in which muscle length remains the same but muscle tension increases is called an | isometric contraction |
| Which type of movement occurs between the carpal and tarsal bones and between the articular facets of adjoining spinal vertebrae? | gliding |
| Which subtype of fibrous joints is found only in the skull? | suture |
| Repeated stimulation of muscle in time lessens its excitability and contractility and may result in | fatigue |
| The muscle’s ability to stretch or extend and to return to its resting length is called | extensibility |
| Anaerobic respiration results in the formation of an incompletely catabolized molecule called | lactate |