Oxygen enters your blood while carbon dioxide is eliminated (when you exercise you need more oxygen and produce more waste)
B. Cardiovascular System
Topics:Receptors Your Body Burns and Skin Cancer The Blood Oncology Selective Breeding Nucleic Acids Infectious Diseases Molecular Genetics Vision Confusion, Dementia, & Alzheimers Disease Physical and Sensory Impairment Functional Neuroanatomy of the CNS Terms and Definitions - Diseases Animal Genetics and Nutrition
Other quiz: Uses of Radioactive Radiation
Suggest way that a scientist can protect themselves against exposure when handling radioactive sources.
A. Storing sources in a lead–lined box using tongs
B. Goggles and gloves
C. Tie hair back