Answer:
if these mixtures are feed as only source of food African grey parrots become ill and ultimately die.
not sure about the answer but see if this is correct.
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.
I would pick younger and thinner, but follow your gut because I really don't know
Killer whale ez pz
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