C
The thin descending<span> limb has low permeability to ions and urea, while being highly permeable to water. The </span>loop<span> has a sharp bend in the renal medulla going from </span>descending<span> to</span>ascending<span> thin limb. The thin </span>ascending<span> limb is impermeable to water, but it is permeable to ions.</span>
A balanced diet supplies the nutrients your body needs to work effectively. Without balanced nutrition, your body is more prone to disease, infection, fatigue, and low performance. Children who don't get enough healthy foods may face growth and developmental problems, poor academic performance, and frequent infections.
Answer: Donald is showing early signs of dementia.
Explanation:
Cognition simply has to do with the mental processes that is required by an individual to acquire knowledge or think properly.
The scenario that best describes an impact of aging on cognition is that Donald is showing early signs of dementia.
Dementia is often experienced by old people and it occurs when they can't think properly or when there is a deterioration in their memory.