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Chapter 3, section 3 The Muscular System Review QuestionsList the two groups of muscles in the body and describe how they are controlled.a.b.2. What action is controlled by involuntary muscles?a. smilingb. breathingc. walkingd. standing up3. Types of MusclesMusclesLocation in BodyVoluntary or InvoluntaryStriated or NotSkeletalInside many internal organsCardiac4. A strong connective tissue that attaches muscles to bone is a(n)?5. List two characteristics of skeletal muscles.a.b.6. Smooth muscles react more quickly and tire more easily than skeletal muscle. True or False?7. The repeated contractions of cardiac muscle are called?8. Muscle cells can extend, or get longer, as well as contract, or get shorter. True or False?9. Why do skeletal muscles work in pairs to move a bone?10. To bend the elbow, the biceps muscle ________ and the triceps muscle_______. Section 4 The SkinCircle what is true about the skin.The skin lets disease-causing microorganisms and harmful substances into the body.The skin keeps water from escaping from the body.The skin keeps heat inside the body.The skin gathers information about the environment.To cool the body, blood vessels in the skin enlarge to let more blood run through them to move body heat to the outside. True or False?Why are pain messages important to the body?Skin cells produce ________in the presence of sunlight.The outermost layer of skin is the?Nerves and blood vessels run through the epidermis. True or False?New cells that form deep in the epidermis gradually move upward to the surface of the skin, where they die after about?The layer of dead cells on the surface gives the most protection to the body. True or False?Melanin, a pigment that gives skin its color, protects the skin from burning in sunlight. True or False?The lower layer of the skin is the?Circle the structures in the dermis.Hairsb. bonesc. sweat glandsd. oil glandsPerspiration reaches the surface of the skin through openings called?What are follicles? ................
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