The SA node is responsible for which type of heart rhythm?
A. sinus
B. atrial
C. ventricular
Select your answer:
Topics:
Respiratory and Urinary Tissues Degeneration Pathology Cell Division Transport System ESR (RBC sed rate) Heredity and Living Cells Nutritional Measurements Neurological Disorders Bones Cells & Body Systems Stimuli and Responses in Humans Biology Assessment DNA Replication Forensic PathologyOther quiz:
Bacteria & Viruses › ViewThe picture below illustrates one internal part of the body’s immune system. What process is illustrated in the picture?
A. a skin cell destroying germs.
B. inflammation near an opened wound
C. a white blood cell destroying pathogens
D. mucus in the lungs destroying pathogens
Nature of Science › View
What is a hypothesis
A. An idea in science
B. An idea backed by tested factual evidence
C. A question used to investigate a phenomenon
D. Data and facts from experimentation