Lewis is a 70-year-old retired college professor. In contrast to when he was 30,he now probably

A) does not hear as well.
B) is more susceptible to catching the flu.
C) has significantly fewer neural connections.
D) has all of these problems.

Neural Connections

The links between neurons in the brain and nervous system that are formed through synapses, allowing for communication and signal transmission.

Susceptible

Likely to be influenced or harmed by a particular thing or condition.

Flu

An infectious viral illness that affects the respiratory system, characterized by fever, cough, and muscle aches.