Topics: Blood Donation Quiz
How many units (1 unit=500ml) of blood are needed every week?
A. 300
B. 3000
C. 4500
Select your answer:

Topics:
Conjunctivita Lungs Genes, Chromosomes and Genome Acute Responses to Exercise Breath Circulatory, Artery, Vein - basics Cell Vocabulary Anxiety Disorders Cardio and Resp Disorders Nucleic Acids Living Organisms & Animal Behaviors Bone Development and Remodeling Healthcare Delivery Systems and Insurance Skeletal System Vocabulary Biotechnology: Tools & TechniquesOther quiz:
Neuroanatomy of CNS › ViewWhat is consist of filum terminale, roots of lumbar and sacral, coccygeal spinal nerves?
A. Subarachnoid space
B. Cauda equine
C. Gray matter
D. White matter
Musculoskeletal System Responses to Exercises › View
What is the role of Tropomyosin and Troponin in muscle contraction?
A. Release of Ca++
B. Prevent the attachment of myosin to actin
C. Bending of actin with myosin
D. Energy generation for muscle contraction