Answer: The cell is the basic structural and functional unit of living organisms
Explanation:
In the question stated above, it is very likely that the patient is facing receptive or sensory issues. This is clear when he mistakes one stimulus for another. This might be because he sees one thing but can not distinguish it for another, or he's having problems differentiating one tactile stimulus for another. Either way, the system compromised is the patient's sensory system.
Answer:
A concentration gradient occurs when the concentration of particles is higher in one area than another. In passive transport, particles will diffuse down a concentration gradient, from areas of higher concentration to areas of lower concentration, until they are evenly spaced.
well hope this help at least (good night)