★ Blood & Blood Vessels Quiz
Which statement about veins is correct?
A. They all carry deoxygenated blood
B. .They carry blood away from the heart.
C. They have thick muscular walls.
D. They have valves to prevent backflow.
Select your answer:
Topics:
The nervous system & brain Restrictive Respiratory Disorders Skeletal Tissue Properties of The Hair and Scalp Fats And Oil Forensics: Blood PHE Healthy Lifestyle Human Circulatory System Pharmacology Vitamins Histology: Cell & Epithelial Tissue Environmental Biotechnology Carbohydrates, Proteins and Lipids Body Defense Microbes and Infectious Disease HormonesOther quiz:
EM Spectrum › ViewWhich of the following EM wave is NOT ionizing radiation?
A. Infrared radiation
B. ultraviolet radiation
C. gamma ray
D. X ray
Environment › View
Biofertilizer is a:
A. Mixture of organic matter and microorganism
B. Culture having the desired strain of microorganisms
C. Mixture of inorganic fertilizer and microorganism
D. Decomposed compost enriched with mineral solubilising bacteria