Select your answer:
Topics:
Population Ecology Nutrition In Animal Heart and Blood Vessels The Circulatory System DNA Food and Health & Bones and Muscles Cardiology Medications Ears Excretion-Dialysis Oral Surgery Eye Histology Myocarditis Breathing ...Respiration Brain Healthcare Systems and SettingsOther quiz:
Nervous / Sensory System › ViewNeurotransmitters are ______________ that travel across the ______________ to another cell.
A. electrical signals; receptors
B. electrical signals; synapse
C. chemicals; receptors
D. chemicals; synapse
Integumentary and Musculoskeletal Systems › View
This group of bones consists of the upper and the lower limbs.
A. joints
B. axial skeleton
C. appendicular skeleton
D. cartilages