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Human Body Systems Unit 14 10A.

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Presentation on theme: "Human Body Systems Unit 14 10A."— Presentation transcript:

1 Human Body Systems Unit 14 10A

2 Functions of Each System
Nervous – response Digestion – nutrients Integumentary – (skin) protection Excretory – waste Endocrine – (hormones) homeostasis Skeletal – support Muscular – movement Reproductive – reproduction Circulatory – transportation Immune – (lymphatic) disease protection Respiratory – gas exchange

3 Nervous System Organs: brain, spinal cord, peripheral nerves
Function: recognizes and coordinates the body’s response to changes in its internal and external environments


5 Lymphatic/Immune System
Organs: white blood cells, thymus, spleen, lymph nodes, lymph vessels Function: helps protect the body from disease; collects fluid lost from blood vessels and returns the fluid to the circulatory system


7 Endocrine System Organs: hypothalamus, pituitary, thyroid, parathyroids, adrenals, pancreas, ovaries (females), testes (males) Function: controls growth, development, & metabolism; maintains homeostasis


9 Integumentary System Organs: skin, hair, nails, sweat, and oil glands
Function: serves as a barrier against infection and injury; helps to regulate body temperature; provides protection against ultraviolet radiation from the sun


11 Skeletal System Organs: bones, cartilage, ligaments, tendons
Function: protects organs, aids in movement, provides structure


13 Muscular System Organs: skeletal muscle, smooth muscle, cardiac muscle
Function: works w/ skeletal system to produce voluntary movement; helps to circulate blood and move food through the digestive system


15 Digestive System Organs: mouth, pharynx, esophagus, stomach, small & large intestine; rectum Function: converts foods into simpler molecules that can be used by the cells of the body; absorbs food; eliminates wastes


17 Excretory System Organs: skin, lungs, kidneys, ureters, urinary bladder, urethra Function: eliminates waste products from the body in ways that maintain homeostasis


19 Circulatory System Organs: heart, blood vessels, blood
Function: brings oxygen, nutrients, and hormones to cells; fights infection; removes cell wastes, helps to regulate body temperature



22 Respiratory System Organs: nose, pharynx, larynx, trachea, bronchi, bronchioles, lungs Function: provides oxygen needed for cellular respiration and removes excess carbon dioxide from the body


24 Reproductive System Organs: males – testes, epididymis, vas deferens, urethra, penis females – ovaries, fallopian tubes, uterus, vagina Function: produces reproductive cells; females – nurtures & protects developing embryo


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