Which Is One of the Reasons That Older People Have

question 76

Multiple Choice

Which is one of the reasons that older people have fewer friendships?

• A)They become more irritable and demanding.
• B)They have lost most of the people they once cared about.
• C)They become more selective in their companions.
• D)They spend more time with their families.

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Definitions:

Nephridia

Excretory organs in many invertebrates, including annelids and mollusks, that filter fluid directly from the body cavity.

Mollusks

A diverse group of invertebrate animals with a soft body, many of which have a hard shell, including snails, clams, and squid.

Protonephridia

A type of excretory and osmoregulatory system found in some invertebrates, consisting of a network of tubules ending in flame cells.

Nephridia

Excretory organs in many invertebrates, such as annelids, functioning similarly to kidneys in vertebrates by removing waste materials.