Lab 21: Support & Movement

Reorder the following muscle hierarchy from largest to smallest.

• Muscle Fibre

• Myofibirl

• Muscle

• Fascicle

• Sacromere -> Microfilaments

Match the following to what level of organization it represents.

• Cell

• Muscle Fibre

• Organelle

• Sarcomere

• Organ

• Muscle

• Tissue

• Fascicle

• Proteins

• Actin & Myosin

Label the sarcomere.

a

b

c

d

e

Sarcoplasmic Reticulum

Myosin

Actin

Tropomyosin

Troponin

Identify A.

Identify B.

Identify C.

Identify D.

Identify E.