Muscle Structure and muscle contraction

Which number identifies the sarcomere?

(a)  

Which number identifies myosin?

(a)  

Which number identifies actin?

(a)  

Which number represents the H zone?

(a)  

Which number represents a region that disappears during muscle contraction?

(a)  

Which number represents the I band region?

(a)  

Which number represents the A band region?

(a)  

Which of the following is the correct order of muscle structures going from largest to smallest

• Muscle --> Muscle fascicles --> Muscle fibers --> Myofibrils --> Sarcomeres

• Sarcomeres --> Myofibrils --> Muscle fibers --> Muscle fascicles --> Muscles

• Muscle --> Muscle fibers --> Muscle fascicles --> Sarcomeres --> Myofibrils

• Muscle fibers --> Muscle fascicles --> Muscle --> Myofibrils --> Sarcomeres

Tags

NGSS.HS-LS1-2

Which connective tissue wraps around the entire outside of the muscle?

• Perimysium

• Epimysium

• Endomysium

Which connective tissue wraps around the entire outside of each fascicle?

• Perimysium

• Epimysium

• Endomysium