Lab 21: Support & Movement

Reorder the following muscle hierarchy from largest to smallest.

• Myofibirl

• Muscle

• Fascicle

• Muscle Fibre

• Sacromere -> Microfilaments

Match the following to what level of organization it represents.

• Organelle

• Muscle Fibre

• Tissue

• Fascicle

• Proteins

• Sarcomere

• Cell

• Actin & Myosin

• Organ

• Muscle

Label the sarcomere.

a

b

c

d

e

Tropomyosin

Troponin

Sarcoplasmic Reticulum

Myosin

Actin

Identify A.

Identify B.

Identify C.

Identify D.

Identify E.