For each definition below in the left column, match it to the generic feedback loop component it describes best. 

What is the name of the anatomical structure labeled “A?”  

Type the best answer into the text box below: If you put your hands under a table and try to lift up, but there is no movement of the table and no change in your arm muscles, those muscles are performing a(n) [blank] contraction or action. 

Use the pull-down menus to insert the best terms that make these sentences true: When a person steps on a nail or a bee, the leg stimulated by the painful stimulus must [blank1] and the other leg must [blank2] so that the person doesn’t fall down.  All of this is an example of [blank3].

Type the best answer into the text box below: [blank] is the conscious understanding of a stimulus which results from processing in the brain.

Several different kinds of sensors are listed below.  From that list, pick the TWO that could possibly be triggered if a person drinks a significant amount of 370 Celsius pure water (e.g., 5 cups or 40 ounces) in one hour.

When skeletal muscles are not stressed regularly (maybe due to a cast placed on a limb to repair a broken bone), they will decrease in size and force-generating capacity due to down-regulation of thick and thin myofilaments.  This process is technically referred to as:  Type the best answer into the text box below:

Study this image carefully: The reflex shown in this image is best described as a:

Simon cannot report the number shown in this image: Which of the following terms best describes his vision?

Opposite faces of a rectangular aluminum bar measuring 2mm x 4mm x 5mm along its dimensions are connected to a circuit. What is the smallest resistance this bar can provide to the circuit? The resistivity of aluminum is 2.75 x 10–8 Ωm and it has 1.8×1028 conductive electrons/m3.