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Human Body Systems and Organization Levels

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Human Body Systems and Organization Levels

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Questions and Answers

What is the basic structural and functional unit of living matter?

Organ

Cell (correct)

System

Tissue

What is the watery fluid that percolates through the minute spaces among the cells of the body?

Protoplasm

Capillary blood

Tissue fluid (correct)

Lymph

What is the primary function of the tissue fluid?

To nourish the cells with nutrients (correct)

To oxygenate the cells

To transfer waste products from the cells

To provide structure and support for the cells

What is the purpose of the walls of the cells and capillaries?

To act as filters that are impermeable to anything as large as a protein molecule Signup and view all the answers

What happens when the blood ceases to flow?

The concentrations become balanced and diffusion stops Signup and view all the answers

From which three primitive cell types are all tissues of the body derived?

Endoderm, ectoderm, and mesoderm Signup and view all the answers

Which type of tissue includes true epithelium like the outer layer of the skin?

Epithelial tissue Signup and view all the answers

What is the specialized working tissue of an organ?

Parenchyma Signup and view all the answers

Which type of tissue is more about the ground substance than the cells that produce it, like bone and cartilage?

Mechanical tissue Signup and view all the answers

From which layer of tissue does nervous tissue arise in the embryo?

Same layer as epithelial tissue Signup and view all the answers

Which type of muscle cells are found in muscular tissue and are highly specialized?

Smooth-muscle cells Signup and view all the answers

What is the main function of stroma in an organ?

Holding the parenchyma together Signup and view all the answers