★ Cell and Muscle Histology Quiz
Which feature typifies T-tubules?
A. Evaginations of the sarcoplasmic reticulum
B. Sequester calcium during muscle relaxation, releasing it during contraction
C. Carry depolarization to the muscle fiber interior
D. Overlie the A-I junction in cardiac muscle cells
E. Rich supply of acetylcholine receptors
Select your answer:
Topics:
Mechanical Digestion Cancer (Bio II) Skin Structure and Growth Disease Health and Social Care Nervous System: Diseases/Problems/Illnesses Digestion and Microbes Embryology The Skeletal System Human Urinary System Living Organisms Cells & Body Systems -ology Unintentional Injuries BiocompositeOther quiz:
Compact Bone › View
Identify A:
A. lamella
B. spongy bone
C. periosteum
D. osteon
CP A&P: Cardiovascular › View
The pacemaker cells of the heart are located in the
A. Bundle of His
B. SA node
C. AV node