Tissues of the Body Quiz

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Questions and Answers

Which cells are involved in the defense mechanism of connective tissues?

Chondrocytes

Mast cells (correct)

Adipose cells

Osteocytes

Adipose tissue is classified as a type of connective tissue with special properties.

True

What are the three types of cartilage?

Hyaline cartilage, elastic cartilage, fibrocartilage

The primary function of connective tissue is to provide __________ and support for other tissues.

structure Signup and view all the answers

Match the following types of connective tissue with their characteristics:

Loose C.T. = Found in dermis and hypodermis Dense Regular C.T. = Found in tendons and ligaments Bone = Vascular and has a medullary cavity Cartilage = Avascular and covered by perichondrium Signup and view all the answers

Which type of connective tissue is primarily involved in fat storage?

Adipose tissue Signup and view all the answers

Dense irregular connective tissue is found only in the dermis.

False Signup and view all the answers

Name one key function of muscle tissue.

Contraction Signup and view all the answers

Which type of epithelial tissue is primarily associated with lubrication, absorption, or secretion?

Simple epithelium Signup and view all the answers

Stratified epithelium has only one layer of cells.

False Signup and view all the answers

What are the two main types of glands derived from epithelial tissue?

Exocrine and endocrine glands Signup and view all the answers

The ______ epithelium can be found in the lung alveoli.

simple squamous Signup and view all the answers

Match the type of epithelium with its example:

Simple cuboidal epithelium = Renal tubules Pseudostratified columnar epithelium = Trachea inner-surface Stratified squamous epithelium, non-keratinized = Esophageal inner-surface Transitional epithelium = Urinary bladder Signup and view all the answers

Which of the following is NOT a function of epithelial tissue?

Muscle contraction Signup and view all the answers

Glandular epithelia are primarily associated with protective functions.

False Signup and view all the answers

Name one function of epithelial tissue.

Any one of the following: protection, absorption, secretion, excretion Signup and view all the answers

Study Notes

Tissues of the Body

Cells combine to form tissues, and tissues combine to form organs.
Cells combine to form four primary tissues: epithelial, connective, muscle, and nervous tissue.

Epithelial Tissue

Two types: surface (membranous) and glandular.
Surface epithelia cover the external body surface or line cavities.
- Two types: simple and stratified.
Glandular epithelia form exocrine and endocrine glands.
- Exocrine glands secrete into a body surface (e.g., sweat, salivary).
- Endocrine glands secrete hormones into the blood (e.g., pituitary, thyroid).

Membranous Epithelia

Simple epithelium (one layer): associated with lubrication, absorption, or secretion.
- Simple squamous epithelium (e.g., lung alveoli)
- Simple cuboidal epithelium (e.g., renal tubules)
- Simple columnar epithelium (e.g., intestinal inner-surface)
- Pseudostratified columnar epithelium (e.g., trachea inner-surface)
Stratified epithelium (multi-layers): associated with protection.
- Stratified squamous epithelium:
  - Non-keratinized (e.g., esophagus)
  - Keratinized (e.g., skin)
- Stratified cuboidal epithelium (e.g., ducts of sweat glands)
- Stratified columnar epithelium (rare, e.g., male urethra)
- Transitional epithelium (e.g., urinary bladder)

Connective Tissues

Formed by cells and fibers in a ground substance.
- Cells: fibroblasts (fibers and ground substance), mast cells/macrophages/plasma cells (defense), and adipocytes (fat storage).
- Fibers: collagen, reticular, and elastic.
- Ground substance: glycosaminoglycans and proteoglycans.
Three types:
- Connective tissue proper (loose and dense)
- Connective tissues with special properties (adipose, blood, lymph)
- Supporting connective tissues (bone and cartilage)

Muscle Tissue

Consists of specialized cells that contract when stimulated.
Three types of muscle tissue:
- Skeletal (voluntary), attached to skeleton.
- Cardiac (involuntary), in the heart.
- Smooth (involuntary), in the walls of hollow organs (viscera).

Nervous Tissue

Contains specialized cells that conduct nerve impulses.
Two types of cells:
- Neurons (conducting cells) transmit impulses from one body region to another
- Glial cells (non-conducting cells) support the neurons (e.g., astrocytes, oligodendrocytes)

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Description

Test your knowledge on the four primary tissue types in the human body, including epithelial, connective, muscle, and nervous tissues. Explore the structures and functions of epithelial tissue, detailing its types and examples. Perfect for students studying anatomy and biology.