Red blood cells are produced in the body and travel through arteries and veins. The circulatory system is able to maintain a relatively constant amount of red blood cells because blood cells are regularly produced by
A. the lymph of the circulatory system
B. the neurons of the nervous system
C. the glands of the endocrine system
D. the bones of the skeletal system
Select your answer:
Topics:
Toxicology Cell & Bond Enzymes and Movement of Substances Bone Children Well-being Prokaryotic Cells and Viruses Sensory System Key Terms Anatomy Respiratory System Viruses Biomolecules Health Issues Related to Digesting System and Eating Habits Genetics and Probability Biological Molecules and Enzymes Surgical & Complementary Terms Cell Histology HSOther quiz:
Immunology › ViewOf the cells listed below, which is least likely to be presenting antigens by MHC II during an immune response to an extracellular pathogen?
A. dendritic cells
B. macrophages
C. B cells
D. intestinal epithelial cells
Pathology of Respiratory System › View
What does C.O.P.D stand for?
A. Complex Obstructive Pulmonary Disease
B. Chronic Obstructive Pulmonary Disease
C. Chronic Objective Pulmonary Disease
D. Chronic Obstructive Pulmonary Distruction