Name the elements of the hearts conducting system in order beginning with the pacemaker
What will be an ideal response?
Answer:
SA node
AV node- impulses are delayed for fraction of sec
AV bundle- connects atria to ventricles
bundle branches
purkinje fibers
ventricules
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Discuss three limitations to the strategy of cutaneous respiration
What will be an ideal response?
Using Figure 19.2, match the following:
1) Efferent vessels.
2) Cortex.
3) Medullary cord.
4) Trabecula.
In the mammalian vestibular apparatus, the ________ are used to detect ________ while the ________ are used to detect ________
a. semicircular canals; angular acceleration; otolith organs; linear acceleration b. semicircular canals; linear acceleration; otolith organs; angular acceleration c. hair cells; linear acceleration; scale cells; angular acceleration d. hair cells; angular acceleration; scale cells; linear acceleration
What term describes the tapered end of the spinal cord?
A) Cauda equina B) Conus medullaris C) Filum terminale D) Denticulate ligament