Structurally how is smooth muscle different from skeletal and cardiac muscle?

A muscle cell is also called a muscle …

List AND describe two things about muscle cells that make them uniquely able to function (in other words tell me three things that muscle cells have the ability to do that other cells don’t necessarily have the ability to do).

What is a motor unit? How do motor units change as we age? How does this change influence our motor skills as we age? 

Which of the following muscles is involved in the extension of a limb?

Which of the following is an abdominal muscle?

  The following are exam scores for a third grade class { 55, 60, 62, 65, 68, 70, 72, 75, 78, 80, 82, 85, 88, 90, 92 }    a. The First Quartile is [65]   b. The Third Quartile is [85]   c. The IQR is [20]   d. The min is [55]   e. The max is [92]

Assume that the brightness of a bulb depends on how much current flows through the bulb, i.e., more the current flows through a bulb, brighter the bulb gets. In the figure shown below the symbol on the left is a battery and A-E are the bulbs. (Rank the brightness of the bulbs from brightest to the least bright. ckts.png

A PVC pipe rubbed with rabbit fur becomes

Which arrangements do you think will make the bulb light? bulbonoff.png