Urine Formation Involves

question 52

Multiple Choice

Urine formation involves

• A)filtration of the plasma.
• B)reabsorption from the filtrate.
• C)secretion into the filtrate.
• D)production of red blood cells.
• E)filtration of the plasma,reabsorption from the filtrate,and the secretion into the filtrate.

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Definitions:

Guard Cells

Specialized cells located within the epidermis of leaves, stems, and various organs responsible for controlling gas exchange and limiting water loss through the opening and closing of stomata.

Stoma

Pores found on the leaf and stem surfaces that facilitate gas exchange between the plant's internal tissues and the atmosphere.

Companion Cells

Specialized cells in the phloem of plants that support the function of sieve tube elements in transporting sugars.

Cuticle Cells

The outermost layer of cells in plants and some animals that provides protection and reduces water loss.