HOSA Body tissues test

What are tissues?

What are tissues?

groups or layers of similarly specialized cells that join together to perform a special function

Another name for tissue fluid

interstitial fluid

what is Histology

study of the structure, composition, and function tissue

what is a histologist

a specialist in the study of the organization of tissues at all levels

What are glands?

group of specialized epithelial cells that form secretions

What are the two types of glands?

exocrine glands and endocrine glands

exo-

out of

-crine

to secrete

what do exocrine glands do?

secrete chemical substances into ducts that lead either to other organs or out of the body

do endocrine glands have ducts

nah

what do endocrine glands do

produce hormones

secretion

substance produced by gland, ex: sweat, mucus

hormone

chemical messenger with a specialized function

examples of glands

pituitary, thyroid, pineal, thymus, pancreas

describe cartilage

smooth and rubbery elastic

Function of cartilage

protects the ends of long bone, acts a shock absorber and allows for flexibility, creates a smooth surface within the joints

where is cartilage found

found between the bones of the spine and at the end of long bones

Chond/ro

cartilage

oste/o

bone

another name for bones

osseus tissue

fx =

fracture

Describe bones

hard and unbendable

Functions of bone

forms rigid framework of the body, protects internal organ (brain), supports the weight of the body, stores the mineral calcium, site for attachment of muscles.

What is blood classified as?

liquid connective tissue or vascular tissue

What do lymphs do?

transports tissue fluid, proteins, fats, and other materials from the tissues to the circulatory system

What does blood consist of?

plasma (liquid portion of blood) and blood cells

another name for red blood cells

erythrocytes

what do red blood cells do ?

carries food and oxygen to every body cell

another name for white blood cells

leukocytes

what do white blood cells do

fight infections

another name for platelets

thrombocytes

thromb/o

clot

what do platelets do?

clot the blood

What is blood’s job?

transportation, carries food and oxygen to the body cells, carries metabolic waste away from the cells, carries heat (98.6)

what do muscle tissue do ?

produces power and movement by contraction of muscle fibers

How many types of muscle tissue are there

3 types

what do skeletal muscle tissue do?

attaches to the bones and provides movement of the body

another word for cardiac

myocardial

what does cardiac muscle tissue do?

causes the heart to beat

visceral or smooth muscle tissue

(found in the walls of hollow internal organs) present in the walls of the respiratory, digestive, urinary tract, and blood vessels

How many types of tissues are there

4

name the 4 types of tissues

epithelial, connective, nerve or nervous, muscle

Functions of epithelial tissue

covers the surface of the body and is the main tissue of the skin, forms the lining of the intestinal tract, respiratory, urinary tract, and circulatory tract, lines the walls of body cavities and blood vessels (arteries, veins, capillaries)

describe connective tissue

most abundant tissue in the body

function of connective tissue

support and connect organs and other body tissues

The two main classes of connective tissue

soft and hard

Fibrous connective tissue is..

dense and thick, strong and flexible

fibrous connective tissue forms

tendons, ligaments, fascia

Tendon

attaches muscle to the bone

ligament

attaches bone to bone

fascia

sheet of fibrous connective tissue that covers, support, and separates muscles

Hard connective tissue description

very solid and very strong

2 types of hard connective tissue

cartilage and bone

Glial cells or neuroglia function

support and protection for the neuron. THEY DO NOT CONDUCT NERVE IMPULSES

what is a nerve?

one or more bundles or neurons (impulse carrying fibers) that connect the brain and the spinal cord with other parts of the body

nerv/o

nerve or nervous tissue

what structures are composed of nerve tissues

brain, spinal cord, nerves

soft connective tissue function

stores fat as a food reserve or source of energy

adip/o

fat

-ose

pertaining to sugar

soft connective tissue is..

adipose or fatty tissue

peristalsis

the involuntary contraction and relaxation of the visceral muscle tissue , creating a wavelike movement that pushes the contents of the hollow organ forward

locations of cartilage

tip of nose, ears, trachea, part of larynx

what is the basic cell of the nervous tissue

neurons

neuron function

carry nerve impulses or messages to and from the brain and spinal cord. the messages are then carried to a muscle for an action (contraction or relaxation)

nerve tissue function

coordinates and controls all bodily activities by transmitting messages throughout the body

nerves from every part of the body come together to form the…

spinal cord

what does the spinal cord lead

what is the most highly specialized tissue in the body

nervous tissue

name each type of muscle tissue

skeletal, cardiac, visceral or smooth.