Anatomy and Physiology

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Presentation transcript:

Anatomy and Physiology Human (Animal) Tissue Types

Key Terms Histology: the study of tissues. Cells make cell tissue groups of cells which are similar in structure and which perform common or related functions.

Four Basic Kinds of Tissues Epithelial Tissue Connective Tissue Muscle Tissue Nervous Tissue

Epithelial Tissue Epithelial Tissue Locations: Covers the body Lines the cavities, tubes, ducts and blood vessels inside the body Covers the organs inside body cavities Lines the organs Epithelial Tissue Functions: Protection from physical & chemical injury, Protection against microbial invasion, Contains receptors which respond to stimuli, Filters, secretes & reabsorbs materials and Secretes serous fluids to lubricate structures.

Connective Tissue Connective Tissue: Connective Tissue Functions: Most abundant & widely distributed tissue Connective Tissue Functions: Connects, binds and supports structures, Tendons, ligaments, etc. Protects & cushions organs and tissues, Insulates (fat) and Transports substances (blood).

Muscle Tissue Muscle Tissue: Muscle Tissue Functions: Associated with the bones of the skeleton, the heart and in the walls of the hollow organs of the body. Muscle Tissue Functions: Movement Locomotion Maintains posture Produces heat Facial expressions Pumps blood Peristalsis

Nervous Tissue Nervous Tissue: Nervous Tissue Functions: Main component of the nervous system, ie., brain, spinal cord & nerves. Nervous Tissue Functions: Regulates & controls body functions Generates & transmits nerve impulses Supports, insulates and protects impulse generating neurons.

Identify the following cell organelles cell membrane cytoplasm nucleus nuclear membrane nucleolus chromosomes chromatin

Cell Organelles - Onion Cell membrane

Cell Organelles - Onion Cytoplasm

Cell Organelles - Onion Nuclear Membrane

Cell Organelles - Onion Nucleolus

Cell Organelles - Onion Chromatin

Identify the five stages of mitosis Stages of Mitosis, or the Cell Cycle: interphase prophase metaphase anaphase telophase

Interphase Metabolic phase Cell growth DNA replication Centriole replication Protein Synthesis Visible Nucleus & nuclear membrane Visible nucleoli Chromatin

Prophase Nuclear membrane disappears Nucleoli disappear Chromsomes appear Centrioles move to opposite sides of cell Spindle fibers from centrioles connect with chromosomes

Metaphase Chromosomes line up on equator of the cell

Anaphase Chromatids from each chromosome separate & are pulled to opposite sides of the cell.

Telophase Chromatids reach extremes of cell Nuclear membrane reappears around each chromatid cluster Nucleoli reappear Cell plate appears between nuclei Cytokinesis occurs

Start Editing Here…

Specific tissue types & representative cell types we will review: epithelial Squamous Cuboidal Columnar connective Adipose Bone Hyalaine cartilage muscle nervous

Squamous Epithelium Simple – one cell thick Forms solid layer of cells which line blood vessels, body cavities & cover organs in body cavities Stratified – multiple layers Forms epidermis

Cuboidal Epithelium Simple – one cell thick Roughly cube shaped Cuboid Cells Simple – one cell thick Roughly cube shaped Duct Line ducts in kidneys, etc, where reabsorption and secretory activities take place. Cuboid Cells Duct

Columnar Epithelium Simple – one cell thick Column shaped (long & narrow) Line digestive tract where reabsorption & secretion occurs. Pseudostratified – gives the appearance of more than one layer of columnar epithelial cells

Specific Connective Tissue Types: Adipose Bone Hyalaine cartilage

Connective - Adipose Honeycomb or chickenwire appearance Stores energy (fat) Insulates Supports & protects organs

Connective - Bone Tree ring-like appearance Supports & protects Mineral storage Fat storage Blood cell production

Connective – Hyaline Cartilage Supports while providing flexibility Absorbs compression between bones in joints (articular cartilage) Holds open respiratory passages Most abundant type of cartilage in body

Specific Muscle Tissue Types: muscle (skeletal)

Muscle - Skeletal Muscle fibers (cells) long, parallel & cylindrical With many nuclei (multinucleate) Striations (cross stripes run perpendicular to the cells Produce voluntary movement Locomotion Heat

Specific Nervous Tissue Types Nervous – Neuron Branching cells with many long processes Large central nucleus Transmit impulses from one area of the body to other areas Regulate activities through neuron impulses

Presentation… K.I.S.S.’s Individual or small groups… 2 full periods, includes the presentation. Epithelial Connective Muscle Nervous Mitosis PPT, Prezi, Poster or other that is approved Anatomy and physiology of selected Five high level multiple choice question. $50 - $100 Pictures and diagrams Color, Creativity, Content Professional yet engaging and entertaining At least two fun trivia facts not to be used in your questions. Limit four. After questions. Create or find a joke or two… with picture even better. In your presentation where best suited.