Which of the Following Changes in Our Senses Appears to Be

Multiple Choice

Which of the following changes in our senses appears to be a normal part of aging?

A) an increase in the number of odor receptors which interfere with the ability to smell
B) an increase in the ability to taste salty and sweet flavors, causing older people to gain weight more quickly than they did earlier in the lifespan
C) a decline in the amount of saliva secreted
D) an increase in the total number of taste buds