Select your answer:
Topics:
Malaria SPED Law-lympics Cells & Body Systems Nail The Human Body DNA, RNA, Proteins Musculoskeletal Fitness Disease, Illness and Sickness Histology of Nervous and Muscle Tissues Human Excretory System Brain, Neurons and The Nervous System Hematology & Blood Banking Stroke Bone BacteriologyOther quiz:
Transport System in Man › ViewWhich of the following has walls that are one cell thick and is a site for diffusion?
A. Vein
B. Artery
C. Capillary
D. Aorta
5 Major Food Groups › View
Which food group does this belong to?
A. Proteins
B. Dairy
C. Vegetables
D. Grains
E. Fruits