★ Circulation and Excretion Quiz
Which is a normal event in blood clotting?
A. production of erythropoietin
B. activiation of prothrombin to thrombin
C. conversion of fibrin into fibrinogen
Select your answer:
Topics:
Body System Physical Education The Musculoskeletal System Renal and Gastrointestinal System Musculoskeletal System Pediatric Cardiology Food for Thought Transportation in Organisms Teeth and Microbes Energy and Metabolism Endocrinology Discovery of DNA Vessels Types of Reproduction Linked GeneOther quiz:
Your Body › ViewWhich of the following is true about our body’s system?
A. The skeletal system sends messages to the body
B. Blood cells are part of the nervous system
C. The digestive system helps carbon dioxide leave the body through the lungs
D. The digestive system helps break down food into energy
Biodiversity › View
Which of the following taxa contains the most members?
A. order
B. species
C. phylum
D. class