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Body Systems Part I
Skeletal, Muscular, Skin, Circulatory, & Respiratory
Term | Definition |
---|---|
Functions of Skeletal System | 1. Movement 2. Shape & Support 3. Protection 4. Makes Red Blood Cells 5. Stores minerals |
Joint | any place where 2 or more bones meet |
Cartilage | smooth tissue covering the ends of bones to serve as a cushion between the bones |
Red Blood Cells | are made in Bone Marrow |
Functions of Muscular System | 1. Movement 2. Shape |
Voluntary Muscles | Muscles you choose to move (Skeletal Muscle Tissue only) |
Involuntary Muscles | Muscles you cannot consciously control (Cardiac & Smooth Muscle Tissues) |
Smooth Muscle Tissue | found in many organs of our body - bladder, intestines, blood vessels, etc. Control is involuntary. |
Cardiac Muscle Tissue | found in the heart only. Control is involuntary. |
Skeletal Muscle Tissues | found attached to our skeleton - biceps, triceps, abs, quadriceps, etc. (the muscles you work out). Controls is voluntary. |
Functions of Circulatory System | Take Oxygen & Nutrients TO the cells. Take Carbon Dioxide & other wastes AWAY from cells. |
Blood Vessels | Tubes that carry blood throughout the body; There are 3 kinds - arteries, capillaries, & veins. |
Arteries | blood vessels that carry blood AWAY from the heart |
Capillaries | Microscopic blood vessels where gas & waste exchange occurs with the cells |
Veins | blood vessels that return blood to the heart |
Functions of Respiratory System | Bring Oxygen into the body. Remove Carbon Dioxide from the body. |
Diaphragm | Muscular organ beneath the lungs |
Functions of Integumentary (Skin) System | 1. Protection 2. Produce vitamin D 3. sense of touch 4. rid the body of waste 5. regulate body temperature |
Dermis | Middle layer of skin that contains nerves, hair follicles, sweat glands, etc. |
Blood | Transports oxygen & nutrients to the cells; Contains white blood cells which help fight infection |
Work | the object must move in the same direction as the force being applied to it |