Select your answer:
Topics:
Animal Genetics and Nutrition Tutor Oral Biology Enzymes and Digestion Cardiovascular System DNA and Genetic Manipulation Circulatory, Artery, Vein - basics Functional Anatomy in Track & Field Genes, Chromosomes and Genome Human Body and Pathogens Fitness Biopsychology - Neuroplasticity and Functional Recovery Ortho Infectious Disease Enzymes and Movement of Substances Deficiency Disease Animal NutritionOther quiz:
Nutrition › ViewWhich protein is contractile?
A. Myofibrillar
B. Mitochondrial
C. Ketones
D. Leucine
Muscular System › View
Muscles always work in _____
A. pairs
B. groups of 3
C. bones
D. joints