Bio Flashcards (Ch 27)

Front 1

Anatomy

Back 1

Study of an organism's structure

Front 2

Physiology

Back 2

Study of what structures do, and how they do it (their function)

Front 3

Tissue

Back 3

Group of many similar cells that work together and perform a specific funtion

Front 4

Organ

Back 4

Several tissues together that perform a specific task

Front 5

Organ System

Back 5

Multiple organs that together perform a neccessary body function

Front 6

Epithelial Tissue

Back 6

Covers the surface of the body and lines internal organs

Front 7

Connective Tissue

Back 7

Holds together and supports other tissues

Front 8

Nervous Tissue

Back 8

Forms the communication system of the body

Front 9

Neuron

Back 9

Basic unit of nervous tissue

Front 10

Skeletal Muscles

Back 10

Made of skeletal muscle tissue, are attached to the bones and enable various parts of the body to move

Front 11

Cardiac Muscles

Back 11

Made of cardiac muscle tissue and are found in the heart

Front 12

Smooth Muscles

Back 12

Made of smooth muscle tissue and are found in the digestive system and most other organs

Front 13

Homeostasis

Back 13

Stable internal environment which protects itself from changes in the outside environment

Front 14

Hormones

Back 14

Chemical signals which regulate body systems

Front 15

Interstitial Fluid

Back 15

Fills gaps between cells

Front 16

Integumentary System

Back 16

Body's outer covering

Front 17

Epidermis

Back 17

Outermost layer of the skin

Front 18

Melanin

Back 18

Protein that gives you skin its color

Front 19

Dermis

Back 19

Lies beneath the epidermis and is made mostly of connective tissue

Front 20

Hypodermis

Back 20

Tissue layer beneath the dermis that contains fat-storing cells and blood vessals

Front 21

Vertebra

Back 21

Small, flat bones that make up the back bone

Front 22

Cartilage

Back 22

Type of connective tissue that is softer than bone

Front 23

Marrow

Back 23

Specialized tissues

Front 24

Joint

Back 24

Where one bone meets another bone

Front 25

Ligaments

Back 25

Strong, fibrous connective tissues

Front 26

Arthritis

Back 26

Inflammation of the joins

Front 27

Osteoporosis

Back 27

Where bones become thinner and break more easily

Front 28

Tendon

Back 28

Connective tissue that is attched to a bone

Front 29

Muscle Fiber

Back 29

Single long muscle cell that contains many nuclei

Front 30

Myofibrils

Back 30

Bundles of smaller fibers in a muscle fiber

Front 31

Sacromeres

Back 31

Repeating unit in a myofibril

Front 32

Actin

Back 32

Protein that makes up thin filaments

Front 33

Myosin

Back 33

Protein that makes up thick filaments