All but one of the phrases describe a function of the human skeletal system. that is a) allows for movement. b) protects internal organs. c) produces red blood cells. d) filters unwanted substances.

The correct answer would be D) filters unwanted substances.

Human skeletal system comprises of bones, tendons, cartilages, ligaments and other tissues.

In humans, they perform major functions like movement, support and protect internal organs, production of blood cells (bone marrow), storage of calcium, and endocrine regulation.

Filtration of blood is mainly done by excretory system.

eukarya because is is like alche and b is bacteria and d is animals

explanation:

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