Which of the following is not a energy source or type of stimulus; O Force O Temperature O None of these is correct O Pressure waves O Chemicals

Which of the following defines a rod cell of the human eye?   Opening through which light enters the eye   Ring of smooth muscle that adjusts how much light enters the eye   A photoreceptor active in dim light that provides a coarse perception of an image and detects motion   A photoreceptor that provides sharp vision and allows detection of color

Rory’s father was working on the electrical wiring his basement. Rory noticed that his father wore rubber gloves when he touched the wires. Rory’s father told him it was because the rubber gloves did not conduct electricity. The gloves protected him from the current in the wires. Which of the following would you call the gloves?

Which of the following is NOT involved in overall maintenance of balance and body posture? O Cochlea Visual input O Muscle stretch receptors Joint receptors Otolith organs