★ Muscle Anatomy Quiz
What organelle wraps and surrounds the myofibril and stores calcium?
A. sarcoplasmic reticulum
B. cross bridge
C. sarcomere
D. sarcolemma
Select your answer:
Topics:
Proteins Environmental Biotechnology Blood and Bones DNA & Types of Reproduction Parts of Human Body Genes and DNA Dental Caries Body Fluids and Blood Cells Aerobic- Cardio Respiratory Endurance Neuroanatomy & Physiology Bacteria and Viruses Renal, Cancer, HIV Cells, Genetics & Heredity Review Body Systems Cell Theory and Cellular StructureOther quiz:
Pathogens, Disease and Immunity › ViewWhich type of external defense is not considered a ‘first line defense’.
A. Lymphatic Organs
B. Tears
C. Saliva
D. Skin (epithelial cells)
E. Mucous and cilia
Blood › View
How long is the average life span of a red blood cell?
A. 120 days
B. 100 days
C. 130 days
D. 110 days