A reflex arc is the pathway by which a reflex travels, which at its simplest includes a sensory nerve and a motor nerve with a synapse in between.
A reflex action is an involuntary and almost instantaneous movement in response to a stimulus. It usually does not require any thought or input and therefore does not directly involve the brain.
The path taken by the nerve impulses in a reflex action is called a reflex arc. Most reflex arcs involve three neurons. There are two types of reflex arcs namely autonomic reflex arc which involves the inner organs of the body, and somatic reflex arc, which involves muscles.
I think it’s B but I’m not 100% sure
Individuals need to adjust their physical activity to account for reduced flexibility, a loss of balance, as well as decreased energy levels as they age. As we see, there is a number of rather unwanted changes which happen with old age so the correct answer would be D - all of the above.
<span>Fresh fruit can be contaminated by the water used to wash it so therefore, the answer is true. This could be because of any number of reasons. One includes water sources being tainted from bacteria from animal and even human waste. Also, chemicals from fertilizers or other sources can infiltrate and leave the fruit that has been washed using that same water dangerous for consumption</span>