chapter 4 review

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What is a small protein channel that allows the passage of ions and small molecules between cells? gap junction

gap junction

__________________ glands have branched ducts and secretory cells that form sacs at one end of the ducts. Simple acinar Compound acinar Compound tubuloacinar

Compound acinar

__________________ glands secrete mucin, which combines with water to form a thick and sticky product, whereas __________________ glands produce a relatively watery fluid.

Mucous; serous

What type of exocrine gland uses exocytosis to secrete its product?

merocrine

__________________ exhibits a lot of apparently empty space, and is found in many serous membranes.

areolar tissue

The secretions of endocrine glands are released directly

into the bloodstream.

Which tissue type forms glands?

epithelial

Unlike an exocrine gland, an endocrine gland

has no ducts

A thin layer of tissue that covers an organ or lines a cavity is a

membrane.

What type of membranes line cavities that open to the outside and often contain mucous glands?

mucous

A thick, sticky secretion produced by goblet cells is called plasma. saliva. mucus.

mucus

Which of the following is classified as a holocrine gland? salivary gland sebaceous gland mammary gland

sebaceous gland

The type of membrane that protects internal organs from friction is a ----- membrane serous mucous partial

serous

The type of membrane that lines freely movable joints is a _____ membrane.

synovial


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