Aging affects all of the body's cells; and therefore, the basic building blocks of tissues. all cells in the body experience changes with aging. as your body changes, becoming stiff making the organs, blood vessels, and airways more rigid.
a) bones
b) muscle
c) cartilage
d) connective tissue

Bones: they lose calcium, becoming crispy
Muscle: they lose mass 
Cartilage: becomes stiffer, but it does not make airway more rigid
D) connective tissue: It includes bone, blood, and lymph tissue, giving support to the skin and internal organs, becoming increasingly stiff when aging.
It should be connective tissue.

Where is the chart?