★ Circulatory System Quiz
Structure(s) that keep the blood flowing in one direction.
A. Valve(s)
B. Septum(s)
C. Neuron(s)
D. Bronchiole(s)
Select your answer:

Topics:
The Musculoskeletal System -ology Ankle Injuries Fitness Heart Structure and Double Circulation Skills for Health Gestalt Therapy Linked Gene Tissue Repair Pathology Bones Parathyroid Gland Medicinal use of Microorganisims Food and Nutrition Disease Biological Organisms ClassificationOther quiz:
Major Nutrients › ViewThe nutrients your body needs in smaller amounts.
A. Macronutrients
B. Micronutrients
Forensic Pathology › View
The immediate reason for a person’s death.
A. Forensic Entomology
B. Cause of death
C. Manner of death