★ Human Body Quiz
Your hair, nails, and skin are all part of your
A. skeletal system
B. endocrine system
C. excretory system
D. integumentary system
Select your answer:
Topics:
Pathology of Respiratory System Ecology The Digestive System Skeletal Muscle Anatomy Genetics and Censorship Illness and Symptoms Axial & Appendicular Skeleton Parkinson Disease Human Anatomy Study Guide Adaptive Immune System Composition of Blood and Blood Cells Respiratory System Genes and DNA Biochemistry of Diabetes Medical SuffixesOther quiz:
Biological Molecules › ViewThis molecule provides the primary energy for the cells.
A. carbohydrates
B. lipids
C. proteins
D. nucleic acids
Muscle Anatomy › View
What is the name of the neurotransmitter released at a neuromuscular junction?
A. Calcium
B. Acetylcholine
C. Dopamine
D. Troponin