Select your answer:
Topics:
Circulatory System Nutrition & Wellness Epithelial Tissue Immunology and Serology Genes, Genomes & Alleles Gaseous Exchange in Humans Macromolecules Breathing ...Respiration Defence against Infectious Diseases Food Body Structures and Organ Systems DNA and RNA Structures Immunisation Regulating the Cell Cycle ChemistryOther quiz:
Circulatory System › ViewName part A.
A. Pulmonary artery
B. Pulmonary vein
C. Superior vena cava
D. Aorta
Health › View
two layers of involuntary muscles produce wave like contractions called
A. enzymes
B. salivary
C. peristalsis