Heart sound __________ is thought to result from the transition from expansion of the empty ventricles to their sudden filling with blood.
A. S1
B. S2
C. S3
D. S4
E. S0
Select your answer:
Topics:
Radiation and Health Thyroid Sarcomere Anatomy Transport System Forensics Terms Diseases Communicable or non Communicable Psychology Cardiovascular Med Terms Environmental Biotechnology Pituitary, Thyroid and Adrenal Pediatrics Healthy Foundations Digestion Medical Nursing Heart AnatomyOther quiz:
Microorganism - Diseases › ViewWhich observation supports the claim that microorganisms are helpful to ecosystems?
A. Microorganism are to small to been seen without special equipment.
B. Microorganism need water and energy to survive.
C. Millions of microorganism can often be found in soil.
D. Microorganisms break down dead plants and animals, making nutrients available.
Teeths › View
The letter A is pointing to what type of teeth?
(a) Incisors
(b) Premolars
(c) Molars
(d) Canines