Topics: Body Fluids Quiz
Doctors use stethoscope to hear the sound; produced during each cardiac cycle. The second sound is heard when
a) AV node receives signal from SA node
b) AV valves open up
c) Ventricular walls vibrate due to gushing of blood from atria
d) Semilunar valves close down after the blood flows into vessels from ventricles
Select your answer:
Topics:
Nervous & Endocrine Systems Surgical & Complementary Terms Effect of Exercise on Cardio Respiratory System & Muscular T Cells Basics of Cardiology Integumentary System Medical Terminology Differentiation and Division of Human Cells Skin Growth The Vascular System and Blood Flow Healthy Living Cells, Genetics & Heredity Review Enzymes and Movement of Substances Perioperative Nursing Care Type 1 Diabetes Blood CellsOther quiz:
Reproduction › ViewHow many sperm cells is produce by a male plant?
A. 1
B. 2
C. 3
D. 4
Skeletal System › View
Your _______ protects your heart and lungs.
A. skull
B. shoulder
C. knee
D. rib cage