Select your answer:
Topics:
Macronutrients & Micronutrients Epithelial Tissue Bones, Joints and Muscles Genetics: Viruses and Bacteria Skin Appendages Restrictive Respiratory Disorders Ear/Eye Medical Terms DNA Replication Cell Diversity - Organization, Tissues, Plants and Animals The Respiratory System Renal & Neural Digestion and Absorption of Carbohydrates Human Digestive System Injury Your BodyOther quiz:
Muscles and Movements › ViewThe organelle that contains actin and myosin.
A. Tendon
B. myofilament
C. myofibril
D. Fiber
Human Organs › View
The ___________ are the main organs of the respiratory system.
A. veins
B. lungs
C. arteries
D. kidneys