Answer:
The correct answer is "motor unit - motor neuron".
Explanation:
Motor unit and motor neuron are related terms, however they could not be used interchangeably because a motor unit is not comprised only of a motor neuron. A motor unit is made of a motor neuron, skeletal muscle fibers and neuron's axonal terminals. Therefore motor unit is a more broadly term, and is referred to the units that coordinate the contractions of single muscles.
Infectious agents are those that corrupt and prey on an organism or a host. This is sometimes called parasitism when a foreign organism consumes a host by preying on its nutrients and food. Hence, we are uncertain in Anna's case because there is no clear description of her symptoms.
You have rods and cones in your eye. Cones detect colour and fine detail. Rods are used for monochrome vision; usually, monochrome vision is used in poorly lit, dark environments. Rods and cones are both in the retina of the eye.
Cones = Colour. CC is a good mnemonic.
Volcanic<span>eruptions, forest fires, pollen which can cause allergies, and ozone which is a pollutant made after lightning interacts with oxygen which can cause iritate the eyes, throat and lungs.
hope I helped </span>
