★ Musculoskeletal System Quiz
What is a crossbridge?
A. Where myosin binds to actin
B. Where the calcium crosses into the cytoplasm
C. Where calcium binds with troponin
D. None of the answers are correct.
Select your answer:
Topics:
Nutrition and Human Digestive System Obstructive Lung Disease Cell Diversity - Organization, Tissues, Plants and Animals Disability Etiquette & Physical Activities Metabolism Disorders of The Joints First Aid Homeotic Genes and Cancer PHYSIOLOGY OF KIDNEY Health Care Transport System in Man Division of Microbiology Integumentary System & Body Directions Branches of Microbiology Histology: Cell & Epithelial TissueOther quiz:
Nervous System › ViewThe pigmented portion of the eye that has a rounded opening through which light passes is the:
A. Pupil
B. Iris
C. Retina
D. Sclera
Skin Structure, Growth, & Nutrition › View
Continued pressure on any part of the skin causes it to thicken and develop into a(n)
A. callus
B. legion
C. appendage
D. scar