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-[~600 MUSCLES] IN [HUMAN BODY]-
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*3 TYPES* –>
-SKELETAL MUSCLE-
-SMOOTH MUSCLE-
-CARDIAC MUSCLE-
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-‘muscle cells’ contain ‘protein filaments’ of ‘actin’ + ‘myosin’ that slide past one another, producing a ‘contraction’ that changes the ‘length’ + ‘shape’ of the ‘cell’-
(a ‘tendon’ is a tough band of ‘fibrous connective tissue’ that connects ‘muscle’ to ‘bone’ and is capable of withstanding ‘tension’)
(the muscular system is an ‘organ system’ consisting of [‘skeletal’ / ‘smooth’ / ‘cardiac’] muscles)
*permits movement of the body*
*maintains posture*
*circulates blood throughout the body*
(the ‘muscular system in vertebrates’ is controlled through the ‘nervous system’…)
(…although some muscles (such as the ‘cardiac muscle’) can be completely autonomous)
(together with the “skeletal system”, it forms the “musculo-skeletal system”, which is responsible for [movement] of the [human body])
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*👨🔬🕵️♀️🙇♀️*SKETCHES*🙇♂️👩🔬🕵️♂️*
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👈👈👈 ☜ *-THE [MUSCULO-SKELETAL] SYSTEM-*☞ 👉👉👉
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💕💝💖💓🖤💙🖤💙🖤💙🖤❤️💚💛🧡❣️💞💔💘❣️🧡💛💚❤️🖤💜🖤💙🖤💙🖤💗💖💝💘
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*🌈✨ *TABLE OF CONTENTS* ✨🌷*
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🔥🔥🔥🔥🔥🔥*we won the war* 🔥🔥🔥🔥🔥🔥