★ Life Processes Quiz
Structure that prevents blood from flowing backwards in the circulatory system
A. Atrium
B. Vein
C. Ventricle
D. Valve
Select your answer:
Topics:
The Digestive System Introduction to Kinesiology Circulatory and Respiratory System Heart Regulation of Heart Rate Hematology Acute Leukemias Histology HS Degeneration Pathology Diseases of The Body Systems Introduction to Mycology Homeostasis - Vision Correction Fad Diets Physiothearpy in Neurology HFT Vitamins Muscoskeletal SystemOther quiz:
Nutrients in Food › Viewpassing of digested material out of the digestive tract
A. Ingestion
B. Digestion
C. Absorption
D. Elimination
Asexual Reproduction › View
What is a variation?
A. a trait that helps an organism survive in its habitat
B. genetic variety within a species