Muscle Tissue Day 1 Vocab

Which type of muscles are under conscious control or are considered voluntary?

• Skeletal

• Smooth

• Cardiac

• Rough

Which muscles are involuntary?

• Skeletal and Cardiac

• Skeletal and Smooth

• Smooth and cardiac

• none of the above

Which is a muscle cell

• Muscle fiber

• Sarcomere

• Myosin

• Actin

Tags

NGSS.HS-LS1-4

Which of the following are names for a muscle cell?

• Myocyte

• Muscle Fiber

• Sarcocyte

• Myofibrils

What are the prefixes associated with muscle tissue?

• Myo-

• neuro-

• Sarco-

• chondro-

What are the two protein filaments (myofibrils) that form a contractile unit?

• Sarcoplasm

• Actin

• Sarcomere

• Myosin

organelle which contains contractile units composed of actin and myosin

• fascicle

• myofibril

• muscle fiber

• sarcofibril

What is the name of the organelle that surrounds each myofibril and stores Calcium ions?

• Sarcolemma

• T Tubules

• Sarcoplasmic Reticulum

• Sarcoplasm

What is the name of the structure that conducts nerve signals INTO the muscle cell's interior and signals to release Calcium?

• Sarcolemma

• Sarcoplasmic Reticulum

• T Tubules

• Sarcoplasm

Which ion regulates muscle contraction and is stored in the sarcoplasmic reticulum?

• Na +

• Ca 2+

• K +

• H+