Select your answer:
Topics:
Human Body Systems The Cell Cycle & Cancer Muscle System Asexual/Sexual Reproduction Properties of the Hair Histology of the Ear Skeleton Central and Peripheral Nervous System Microbes EMR - Trauma Biochemistry of Diabetes Absorption, Lymphatic System, and Blood Vessels Pollution Liveability Foot Orthosis VocabOther quiz:
Skeletal System › ViewYour _______ protects your heart and lungs.
A. skull
B. shoulder
C. knee
D. rib cage
Cell Diversity - Organization, Tissues, Plants and Animals › View
The Heart and its associated blood vessels form which organ system?
A. Digestive
B. Circulatory
C. Excretory
D. Nervous