BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 32, Problem 5SA
Summary Introduction
Introduction:
Skeletal muscles are made up of skeletal muscle fibers and connective tissues. The important function of skeletal muscle is to allow the intentional or voluntary movement of the body parts. In addition to this, skeletal muscle also plays an important role in regulating the temperature of the body.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Smooth muscles differ from skeletal and cardiac muscles in that they ________. a. lack myofibrils b. are under voluntary control c. lack myosin d. lack actin
Muscle relaxation occurs when ________. a. calcium ions are actively transported out of the sarcoplasmic reticulum b. calcium ions diffuse out of the sarcoplasmic reticulum c. calcium ions are actively transported into the sarcoplasmic reticulum d. calcium ions diffuse into the sarcoplasmic reticulum
The cell membrane of a muscle fiber is called________.a. myofibrilb. sarcolemmac. sarcoplasmd. myofilament
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- The muscles of a professional marathon runner are most likely to have ________.a. 80 percent fast-twitch muscle fibers and 20 percent slow-twitch muscle fibersb. 20 percent fast-twitch muscle fibers and 80 percent slow-twitch muscle fibersc. 50 percent fast-twitch muscle fibers and 50 percent slow-twitch muscle fibersd. 40 percent fast-twitch muscle fibers and 60 percent slow-twitch muscle fibersarrow_forwardThe actual contractile units of muscle, called _____, extend from middle of one _____ to middle of next along length of myofibrils. A. T tubule, M line B. sarcoplasmic reticulum, H zone C. sarcomeres, I band D. sarcolemma, A bandarrow_forwardMotor units in a muscle contract _______________ and this helps _______________ fatigue. a. synchronously; prevent b. asynchronously; prevent c. synchronously; promote c. asynchronously; promote d. b and carrow_forward
- The muscles of a professional sprinter are most likely to have ________.a. 80 percent fast-twitch muscle fibers and 20 percent slow-twitch muscle fibersb. 20 percent fast-twitch muscle fibers and 80 percent slow-twitch muscle fibersc. 50 percent fast-twitch muscle fibers and 50 percent slow-twitch muscle fibersd. 40 percent fast-twitch muscle fibers and 60 percent slow-twitch muscle fibersarrow_forwardTendons are composed of ________connective tissue.a. skeletalb. areolarc. dense irregulard. yellow elastice. dense regulararrow_forwardIn relaxed muscle, the myosin-binding site on actin is blocked by ________. a. titin b. troponin c. myoglobin d. tropomyosinarrow_forward
- When you bring your hand to your shoulder, your biceps muscle ____ and your triceps muscle ____. A.relaxes; contracts B.contracts; contracts C.contracts; relaxes D.lengthens; shortensarrow_forwardAn important protein in contractile muscle. O A. keratin O B. O c. O D. myosin elastin fibrin 25arrow_forwardDuring muscle contraction, the cross-bridge detaches when ________.a. the myosin head binds to an ADP moleculeb. the myosin head binds to an ATP moleculec. calcium ions bind to troponind. calcium ions bind to actinarrow_forward
- Aponeuroses are extentions of connective tissue beyond muscle cells that attach the muscle to bone. A. True B. Falsearrow_forwardSkeletal muscle cells have the ability to do all of the following EXCEPT _____. activating other muscle cells to contract producing force while shortening responding to chemicals released by nerve cells rebounding to their former length after being stretchedarrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
Medical Terminology for Health Professions, Spira...Health & NutritionISBN:9781305634350Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. SchroederPublisher:Cengage Learning
Medical Terminology for Health Professions, Spira...
Health & Nutrition
ISBN:9781305634350
Author:Ann Ehrlich, Carol L. Schroeder, Laura Ehrlich, Katrina A. Schroeder
Publisher:Cengage Learning
GCSE PE - ANTAGONISTIC MUSCLE ACTION - Anatomy and Physiology (Skeletal and Muscular System - 1.5); Author: igpe_complete;https://www.youtube.com/watch?v=6hm_9jQRoO4;License: Standard Youtube License