Which one of them is a micro-molecule?
A. Polysaccharide
B. Protein
C. Hemoglobin
D. Atp
Blood is carried towards the heart by __________?
A. Arteries
B. Capillaries
C. Veins
D. None of these
Sythetic insulin from pork was formed by which technique?
A. Biotechnology
B. Social biological techniques
C. Parasitology
D. Both a and c
On wound __________ fight foreign particles, like bacteria?
A. White blood cells
B. Red blood cells
C. Platelets
D. Plasma