What Is the Noticeable Effect Among Adults Experiencing Age-Based Systematic

What is the noticeable effect among adults experiencing age-based systematic decreases in cardiac output and maximum oxygen uptake?

A) Immune system functioning is less efficient.
B) There is a loss of bone mineral and an increase in the wear and tear of the joints.
C) Tissues in all parts of the body become more elastic and flexible.
D) There is a general loss of strength and speed.