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Trichology Musculoskeletal Vocabulary Food Nervous System and Special Senses Dentistry Genes and DNA Health issue related to immune system Disease, Illness and Sickness Anatomy Prehabilitation and Conditioning Thyroid Gland Carbohydrate Metabolism Anatomy and Histology Animal Nutrition Musculoskeletal - ClinicalOther quiz:
5 Major Food Groups › ViewWhich food group does this belong to?
A. Fruits
B. Dairy
C. Vegetables
D. Proteins
E. Grains
Skel, Musc, Nerv, Circ, Resp › View
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