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MUSCULAR SYSTEM SKELETAL SYSTEM 100 100 100 100 200 200 200 200 200 400 300 300 300 300 600 400 400 400 400 800 500 500 500 500 1000 CIRCULATORY RESPIRATORY SYSTEM SYSTEM Challenger How many types of muscle tissue are there? 3 There are approximately ___________ muscles in the human body. 70,000 Name the three types of muscle tissue. Skeletal (striated), Cardiac & Smooth Skeletal Muscle is classified as both… Striated & Voluntary Cardiac & Smooth muscle are both. Involuntary There are __________ bones in the adult body. 206 An adult has __________ bones than an infant Fewer Bones meet at Joints _______________ located in the center of the bones is where new blood cells are formed. Bone Marrow A disease in which bones become less dense and more likely to break. Osteoporosis The ________ is at the center of the circulatory system. Heart How many chambers are in the heart? 4 The top chambers are called Atria The bottom chambers are called Ventricles A large artery that pumps blood to the entire body when it leaves the left ventricle Aorta Air is inhaled through the Nose & Mouth Is inhaled and then delivered to body tissues Oxygen A gas that is exhaled and exchanged for oxygen in the lungs Carbon Dioxide Also known as your wind pipe Trachea A muscle at the bottom of your chest that helps pull in and push out the air we breath Diaphragm When a muscle is doing work it___________ & when it lengthens it ________________. Contracts & Relaxes A connective tissue that connects bones to bones and the connective tissue located between vertebrae that acts as a shock absorber. Ligaments & Cartilage How does oxygen enter into the lungs? • • • • Enters the nose & mouth Passes the epiglottis into the trachea Branches into Bronchi The bronchi branch out into little air sacs called Alveoli in the Lungs Identify the parts of the respiratory system • Nose & Mouth • Trachea • Bronchi • Bronchioles • Alveoli • Lungs Explain the circulatory system and the path blood follows after the oxygen has been used during exercise. • Oxygen poor blood returns to the Right Atrium • Then goes to the Right Ventricle where it is pumped to the lungs to exchange carbon dioxide for oxygen. • The oxgenated blood goes to the Left Atrium. • Then the Left Ventricle pumps the oxygenated blood out the aorta to the rest of the body
