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TOPIC: Muscles-Tissue OBJ: 1-3
AG
EN
DA
REMINDERS
HW: Naming Muscle Criteria Worksheet DUE: Thursday
DO NOW: Pick up Muscle Comparison worksheet and do part 1
-Job shadow/volunteer
[2nd deadline: 3/13/2020]
-Test Corrections
Due Monday Feb. 10th
-Discuss deadline #2 expectations
-9.1 Notes
-10.2 Naming Muscles Criteria
-Test corrections
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Add on to each question every night as REVIEW
1- -COMPARE the three basic types of muscle tissue.
2- -LIST four characteristics of muscle tissue.
3- -LIST four important functions of muscle tissue.
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Anatomy Daily Work Tracker
1 2/4 Unit 7-Muscle Objectives TBD
2
3
18.3 Blood Flow
Sheep Packet: highlight
4
5
1/10
1/13
1/13
1/14
Heart labeling: Pg 426 & 4296 1/15 1/17
Have neighbor check off
& initial in PEN
BLUE highlight → you should have 2, 1, or 0 checked
2/4 9.1 Muscle Tissue Worksheet 2/4
2/4 2/610.2 Naming Muscle Criteria
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9.1 Overview of Muscle Tissue
• Nearly half of body’s mass
• Can transform chemical energy (ATP) into mechanical energy
• To investigate muscle, we look at:
– Types of muscle tissue
– Characteristics of muscle tissue
– Muscle functions
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9.1 Muscle Tissue
• Skeletal muscle
• attaches to bone, skin or fascia
• striated with light & dark bands visible with scope
• multinucleated
• voluntary control of contraction & relaxation
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9.1 Muscle Tissue
• Cardiac muscle
• striated in appearance
• Intercalated disks
• involuntary control
• autorhythmic because of built in pacemaker
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9.1 Muscle Tissue
• Smooth muscle
• attached to hair follicles in skin
• in walls of hollow organs -- blood vessels & GI
• Non-striated in appearance
• involuntary
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Table 9.3-1 Comparison of Skeletal, Cardiac, and Smooth Muscle
© 2016 Pearson Education, Inc.
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9.1 Characteristics of Muscle Tissue
• All muscles share four main characteristics:
– Excitability (responsiveness): ability to receive and respond to
stimuli
– Contractility: ability to shorten forcibly when stimulated
– Extensibility: ability to be stretched
– Elasticity: ability to recoil to resting length
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9.1 Muscle Functions
• Four important functions
1. Produce movement: responsible for all locomotion and
manipulation
• Example: walking, digesting, pumping blood, regulating organ volume via
spinchters
2. Maintain posture and body position
3. Stabilize joints
4. Generate heat as they contract
• Additional functions
• Protect organs, form valves, control pupil size, cause “goosebumps”
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Muscle Tissue
In a different COLOR
Do part 1 again-DO NOT GUESS
[2 minutes]
Do Part 2
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Naming Muscle Criteria
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Reminders…
1-Hold the bag at waist level.
2-SQUEEZE those kitties!
3-Place bag in assigned sink.
4-Head in first today