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BioEd Online The Human Organism: Introduction to Human Body Systems By Deanne Erdmann, MS BioEd Online.

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Presentation on theme: "BioEd Online The Human Organism: Introduction to Human Body Systems By Deanne Erdmann, MS BioEd Online."— Presentation transcript:

1 BioEd Online The Human Organism: Introduction to Human Body Systems By Deanne Erdmann, MS BioEd Online

2 www.BioEdOnline.org BioEd Online Levels of Organization in the Body Cells Tissues Examples include epithelial, connective, muscular, nervous Organs Examples include stomach, liver, heart Organ Systems Examples include digestive and circulatory systems BioEd Online

3 www.BioEdOnline.org BioEd Online Tissues in the Human Body Epithelial Covering or lining tissue Connective Joins, binds and supports Muscle Internal and external movement Nerve Conducts electrical signals Blood Muscle Nerve BioEd Online

4 www.BioEdOnline.org BioEd Online Human Organ Systems Skeletal Muscular Circulatory Immune Respiratory Digestive Excretory Reproductive Nervous Endocrine Integumentary BioEd Online

5 www.BioEdOnline.org BioEd Online Human Skeletal System Functions Framework and support Protection Storage Joints and ligaments BioEd Online

6 www.BioEdOnline.org BioEd Online Human Skeleton Diagram Phalanges Sternum Skull Clavicle Ribs Pelvis Femur Patella Tibia Scapula Humerus Ulna Radius Carpals Metacarpals Fibula Tarsals Metatarsals Phalanges BioEd Online

7 www.BioEdOnline.org BioEd Online Compact Bone Tissue Osteocyte Blood vessels BioEd Online

8 www.BioEdOnline.org BioEd Online Human Muscular System Functions Movement Warmth Posture Muscle Properties Ability to contract Ability to be stretched Ability to respond to a stimulus Muscle Types Skeletal Smooth Cardiac BioEd Online

9 www.BioEdOnline.org BioEd Online Human Muscular System Diagram Deltoid Pectoralis major Biceps brachi Gluteus maximus Rectus femoris Gastrocnemius BioEd Online

10 www.BioEdOnline.org BioEd Online Three Types of Human Muscle Tissue Skeletal Cardiac Smooth BioEd Online

11 www.BioEdOnline.org BioEd Online Human Circulatory System Transports nutrients, gases, wastes, water, and hormones Structures of circulatory system Heart Blood Vessels Blood Lymphatic system Erythrocytes White blood cells BioEd Online

12 www.BioEdOnline.org BioEd Online Diagram of Human Heart Anterior view Aorta Pulmonary artery Left atrium Mitral Valve Left Ventricle Superior vena cava Right atrium Tricuspid Valve Right Ventricle BioEd Online

13 www.BioEdOnline.org BioEd Online Human Immune System Nonspecific defense responses Skin and mucous membranes Inflammatory response Temperature Proteins White blood cells Specific immune responses Cell-mediated immunity BioEd Online

14 www.BioEdOnline.org BioEd Online Human Respiratory System Respiration is gas exchange between an organism and the environment Respiratory structures include the nose, pharynx, larynx, trachea, bronchi, bronchioles and alveoli Exhalation Inhalation BioEd Online

15 www.BioEdOnline.org BioEd Online Human Respiratory System Diagram Nasal Passage Pharynx Trachea Bronchus Larynx Bronchioles Alveoli BioEd Online

16 www.BioEdOnline.org BioEd Online Human Digestive System Digestion is the breakdown of nutrients to a level that can be used by cells of the body. Structures GI tract (mouth, pharynx, esophagus, stomach, small intestine, large intestine) Accessory (teeth, tongue, salivary glands, liver, gall bladder, pancreas) Nutrition BioEd Online

17 www.BioEdOnline.org BioEd Online Human Digestive System Diagram Villi Mouth Liver Pharynx Stomach Large Intestine Small Intestine Esophagus BioEd Online

18 www.BioEdOnline.org BioEd Online Human Excretory System Excretion is the removal of metabolic wastes from the body, including toxic chemicals, excess water, carbon dioxide and salts Excretory Organs Skin Lungs Kidneys BioEd Online

19 www.BioEdOnline.org BioEd Online Human Urinary System Diagram Nephron Kidney Ureter Urinary Bladder Urethra Kidney BioEd Online

20 www.BioEdOnline.org BioEd Online Human Reproductive System Produces gametes (eggs and sperm) Fertilization – produce zygote Male Reproductive System Testes Epididymus, vas deferens, urethra, seminal vesicle, prostate gland Female Reproductive System Ovaries Fallopian tubes, uterus BioEd Online

21 www.BioEdOnline.org BioEd Online Human Male Reproductive System Urinary bladder Vas deferens Prostate gland Urethra Penis Seminal vesicle Epididymus Testis BioEd Online

22 www.BioEdOnline.org BioEd Online Human Female Reproductive System Anterior View Fallopian tube Ovary Uterus Vagina Uterus Vagina Fallopian tube Urinary bladder BioEd Online

23 www.BioEdOnline.org BioEd Online Human Endocrine System The endocrine system consists of ductless glands that produce hormones. Hypothalamus, pituitary, pineal, thyroid, parathyroid, thymus, adrenal, pancreas, ovary, testes Hormones are chemical messengers that travel through the blood stream and affect activities throughout the body. Steroid hormones Nonsteroid hormones BioEd Online

24 www.BioEdOnline.org BioEd Online Human Endocrine System Diagram Hypothalamus and Pituitary gland Thyroid and Parathyroid glands Thymus Adrenal gland Pancreas Ovary Testis BioEd Online

25 www.BioEdOnline.org BioEd Online Human Nervous System Controls and coordinates functions throughout the body Neurons are specialized cells that transmit impulses throughout the body. Nervous System Central Nervous System Peripheral Nervous System BioEd Online

26 www.BioEdOnline.org BioEd Online Human Neuron Diagram Dendrite Axon terminals Cell body Axon Myelin sheath BioEd Online

27 www.BioEdOnline.org BioEd Online Diagram of Human Brain Cerebrum Corpus callosum Cerebellum Thalamus Hypothalamus Spinal cord BioEd Online

28 www.BioEdOnline.org BioEd Online Human Integumentary System Consists of the skin, hair, and nails Skin Epidermis Dermis Subcutaneous tissue Hair and nails BioEd Online


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