KAAP220 Chapter 4: Tissue Level of Organization

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The three major subdivisions of extracellular fluid found in the body are

plasma, lymph, and interstitial fluid.

List four essential functions of epithelial tissue. (Module 4.3A)

provides physical protection, controls permeability, provides sensation, and produces specialized secretions

What type of cells makes up almost half the volume of blood?

red blood cells

The ________ is the part of a neuron that conducts the signal to other cells.

axon

Which type of tissue fills internal spaces of the body?

connective

The lining of the heart and blood vessels is called

endothelium.

Which type of glands secret their products by exocytosis?

merocrine

Tissue that is specialized for contraction is ________ tissue.

muscle

Which type of tissue contracts to produce movements?

muscle

In which of the following are the four tissue types arranged correctly from the highest to lowest percentage of body weight?

muscle, connective, epithelial, nervous

Which type of tissue conducts electrical impulses?

neural

________ secrete hormones and prohormones in the interstitial fluid, which later enters blood.

Endocrine glands

Cells that store fat are called

adipocytes

Which structures separate epithelial tissue from connective tissue?

basement membranes

Osseous tissue is also called

bone

Intercalated discs and striations are characteristic of ________ tissue.

cardiac muscle

The three types of connective tissue include

connective tissue proper, fluid connective, and supporting connective

Which of the following refers to the dense connective tissue that surrounds a muscle and blends with the tendon?

deep fascia

In stratified epithelia adapted to resist mechanical forces, which of the following types of cell-to-cell junctions are especially abundant?

desmosomes

Which type of tissue covers exposed surfaces of the body?

epithelial

Close examination of an organ reveals a lining of several layers of cells. The layers do not contain any blood vessels and one surface of the cells is open to the internal cavity of the organ. This tissue is probably

epithelium

Give the term for the "study of tissues." (Module 4.1A)

histology

Endocrine glands empty their products into ________ and are referred to as ________ glands, while exocrine gland secretions empty into ________ or onto surfaces.

interstitial fluid; ductless; ducts

Transitional epithelium is found

lining the urinary bladder

Cells that engulf bacteria or cell debris within loose connective tissue are

macrophages.

What is the main function of mesenchymal cells?

make new connective tissue cells

The body's most delicate type of epithelium is the ________ epithelium.

simple squamous

The epithelial cells that are flat, thin and have one layer are called

simple squamous


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