When cancer develops in one tissue and spreads to another via the blood or the lymph, the cancer is said to have undergone what process?
A) mutation
B) cytokinesis
C) differentiation
D) metastasis
D) metastasis
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What is happening in the heart between the QRS and T waves?
A. Atrial systole B. Ventricular repolarization C. Ventricular diastole D. Ventricular systole E. Atrial repolarization
On what does lymph rely to be moved through the body?
a. Blood flow. b. Voluntary muscles. c. Involuntary muscles. d. Massage.
The higher the concentration of H+ is, the lower the pH is.
Answer the following statement true (T) or false (F)
Which does NOT apply to hormones?
A. They are chemical regulators that are conveyed from one organ to another via the bloodstream. B. In some cases, the same chemical substances can also function as local regulators and/or neurotransmitters. C. All hormones are derived from cholesterol. D. They are secreted into the blood by ductless glands. E. They are sometimes secreted by neural tissue.