★ Biology Quiz
………. is located at the connection between the 2 atria with the 2 ventricles
A. sino-atrial node
B. atrio-ventricular node
C. pacemaker
D. semi lunar valves
Select your answer:
Topics:
Unintentional Injuries Pharmacology Nutrition Health and The Environment Types of Reproduction Proteins, Amino Acids, & Enzymes The Blood Disability Etiquette & Physical Activities Autoimmune Disease Muscle System Pulmonology/Respiratory Surgical tech-safety MEDICINE PBS Routine Testing Pharmacology CalculationsOther quiz:
Food Microbiology › ViewThe purpose of providing durham tubes in each dilution tubes?
A. to observe level of broth
B. to detect pH of the broth
C. to detect gas produced by micro organisms.
D. none of the above
Receptors › View
Anything that causes you to react is called
A. sound
B. response
C. stimulus
D. memory