PPT-Muscles of the Human Body

Over 600 in the human body Allow the skeleton to move To cause movement both ends of each muscle must be attached to bone Origin or proximal attachment the attachment closer to the center of the body. More than 600 muscles in our bodies (about 650). Muscles make up approximately half of the human body’s weight. The human heart will beat . about 40 million times a year. , and . a person's heart will beat approximately 2.5 billion times by the time of their 70th birthday.. Muscles of girdles and appendages. Innervated by ventral ramus of spinal nerves. Key Point. What is a girdle?. What is a ramus/rami?. Appendicular Muscles - fish. Originated as extensions of hypaxials of body wall. * move the forearm (elbow) . 1. . biceps . brachii. * L: anterior upper arm. * A: flexes elbow, . supinates. hand . 2. . brachialis. * L: medial upper arm. * A: flexes elbow. 3. . triceps . 1. Muscles of the Thoracic Wall. a. . intercostals (external/internal). * L: between ribs. * A: elevate/depress rib cage (breathing). Origin:. . Inferior border of rib above. . What would life be like without . . Joints. Move a joint that you use often. . How do different joints move. Essential. . Question. 1. What role do joints play in the human body?. . Joints are the places where two bones meet and allow movement & flexibility and provides support to the human skeleton.. Interesting Muscle Facts. Thirty facial muscles create looks like surprise, happiness, sadness, and frowning. Eye muscles are the busiest muscles in the body. Scientists estimate they may move more than 100,000 times a day. 2014. Department of Mathematics and Science. What is the heart’s function?. . . Let’s sing. Heart and Blood . and find out. Sung to “The Ants Go Marching One by One”. The heart is pumping blood for us,. Medical Therapeutics. Ms. Taylor. Did You know…... Muscles in and around your mouth facilitate the mastication or chewing process.. deglution: swallowing. mastication: chewing. origin: muscle attachment site on the bone. Is it Alive?. Biology . is the study of living . things.. A . living object. is an object that caries out life . functions.. A . non-living object. is an object that has not been . alive.. A . dead object. . 2.BONES. The framework of the human body is composed of 206 bones and it forms the skeletal system. This system has 5 major functions. The skeleton gives shape and support to your body. Bones protect your internal organs. Major muscles are attached to bone and help them move. Blood cells are formed in the center of the soft tissue called marrow. Finally, major quantities of calcium and phosphorous compound, which make bones hard, are stored in the skeleton.. Living systems have the following level . of organization:. . CELLS. TISSUES. ORGANS. ORGAN SYSTEMS. Organism. Our body works because of the interactions that happen . between . organs and organ systems.. Levels of Organization. Remember, the human body is organized in several levels, from the simplest to the most complex. . .. . Cells. – the basic unit of life. . Tissues. – clusters of cells performing a similar function. 1. The Skeletal System provides five major functions which are…. 1. SHAPE & SUPPORT. 2. ENABLES YOU TO MOVE. 3. PROTECTS YOUR INTERNAL ORGANS. 4. PRODUCES BLOOD CELLS &. 5. STORES CERTAIN MATERIALS UNTIL YOUR BODY NEEDS THEM.. Anterior and Posterior Trunk Muscles. Arm and Shoulder Muscles. 207-209. Table 6.3 Superficial Anterior Muscles of the Body (See Figure 6.22) (2 of 3).. Figure 6.17a . Muscles of the anterior trunk, shoulder, and arm..