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56 Cards in this Set

  • Front
  • Back
Organization of systems (Start from cell)
Cell --> Tissues --> Organs ---> Organ System --> Organisms
Cells with a common structure and functions
Tissues
Four types of tissue
1) Epithelial
2) Connective
3) Muscle
4) Nerve
Tightly packed cells in sheets that covers the outside of the body and line organs and cavities
Epithelial tissue
What is the function of Epithelial tissue?
Barrier against mechanical injury, involving microbes and fluid loss
Five classes of Epithelial tissue
Simple, stratified, cuboidal, squamous, columnar
One cell layer
Simple
Several cell layers
Stratified
Shaped like a cube
Cuboidal
Shaped like a pancake; flat
Squamous
Shaped like a column/post
Columnar
Mucous membrane is an example of what tissue?
Epithelial
What do mucous membranes do?
They absorb or secrete chemical solutions
What is the function of connective tissue?
To bind and support other tissue
Structure of Connective tissue
Sparse numbers of cells within an extracellular matrix
5 examples of connective tissue
Blood, bone, tendons, collagen, elastin
6 types of connective tissue
Loose connective, adipose, fibrous connective, cartilage, bone, blood
Three types of fibers in loose connective tissue
Collagenous, elastic, and reticular fibers
Two types of cells in loose connective tissue
Fibroblasts, macrophages
Secrete the protein (In loose connective tissue)
Fibroblasts
Eat bacteria and dead cells (In loose connective tissue)
Macrophages
Specialized loose connective tissue that insulates and stores fat in its cells
Adipose tissue
Dense, maximum tensile strength. Includes tendons and ligaments
Fibrous connective tissue
Muscles to bones
Tendons
Bone to bone
Ligaments
Strong yet flexible, examples include: Nose, ears, trachea, vertebra, discs
Cartilage
Collagenous fiber and chondrocytes are cells that secrete _____ ______ (In cartilage connective tissue)
Chondroitin sulfate
Mineralized connective tissue
Bone
Bone connective tissue include both _____ and _____
Osteoblasts, osteocytes
Bone forming cells (In bone connective tissue)
Osteoblasts
Mature bone cells (In bone connective tissue)
Osteocytes
In bone connective tissue, collagen and calcium phosphate ---> _____
Hydroxyapatite
Repeating units making up the bone (In bone connective tissue)
Haversian systems
Tissue with a matrix of plasma
Blood connective tissue
3 types of blood cells
Plasma, Erythrocytes, Leukocytes
Water, salts, proteins (type of blood cell)
Plasma
Red blood cells (type of blood cell)
Erythrocytes
White blood cell (type of blood cell)
Leukocytes
Pieces of blood cells, aids clotting
Platelets
Two contractile proteins in muscle tissue
Actin, myosin
Most abundant tissue in animals
Muscle tissue
What accounts for much of the energy consuming cellular work in an animal?
Muscle contractions
Three types of muscle tissue
Skeletal, cardiac, smooth/visceral
Striated, voluntary (type of muscle tissue)
Skeletal
Striated, involuntary (type of muscle tissue)
Cardiac
Lines the walls of internal organs, involuntary (type of muscle tissue)
Smooth/visceral
Two examples of smooth/visceral tissue
Digestive system and blood vessels
Nerve tissue cells are called this
Neurons
What is the function of nerve tissue
Senses and transmits nerve impulses
What is nerve tissue made of?
Neurons and glial cells
What are the 3 parts of a neuron?
Cell body, dendrites, axon
Nucleus and cytoplasm (part of neuron)
Cell body
Short appendages from cell body, receive impulse from other neurons (part of neuron)
Dendrites
One, long extension from cell body, carries impulses away (part of neuron)
Axon
Connective tissue to suspend organs in body cavities (thoracic and abdominal cavities) separated by diaphragm
Mesenteries
Fills the spaces between cells and exchanges nutrients and wastes with blood carried in the capillaries
Interstitial fluid