★ Health and Nutrition Quiz
How much sleep do you need every night?
A. 4 – 5 hours
B. 8 – 10 hours
C. 24 hours a day
D. none – who needs to sleep
Select your answer:
Topics:
Bone, Spine, and Joint Pathology Brain/Neuron Anatomy Medicine on the Western Front Normal Radiographic Anatomy Ortho Infectious Disease The Musculoskeletal and Integumentary Systems Parkinson Disease Blood and Bones Teeth & Microbes Nail Disorders and Diseases Human Genetics Characteristics of Life & Viruses Vocabulary for Organisms in Ecosystems Heredity ReproductionOther quiz:
Bacteria & Viruses › ViewLive bacteria are found in milk, cheese and yogurt
A. TRUE
B. FALSE
Cardiovascular System › View
What is the main function of valves in the circulatory system?
A. To pump blood throughout the body
B. To prevent blood from moving in the wrong direction
C. To prevent platelets from clotting the blood
D. To keep the body stable