The answer is C. solid iron and nickel
Circulatory -
Brings oxygen and nutrients where it is needed, removes toxic chemicals, maintains a stable body temperature
Digestive -
Food and nutrients are absorbed in the small intestine. These nutrients are necessary for other body systems to maintain homeostasis.
Excretory -
Removes all waste from the body, kidneys filter chemicals, liver filters toxins
Answer: Medication can be tested on the cancer culture before being injected into the patient.
Plant uptake is the process which converts inorganic phosphorus in a rock to an organic form of phosphorus.