Answer:
C. . The growth has spread to the lymph nodes and other areas/organs in the abdominal cavity.
Explanation:
The nervous system consist of the brain, spinal cord and nerve fibers. Exercise Improves the brain
Answer: Refractory period of the cardiac action potential
Explanation:
Unlike the skeletal muscle which can be reactivated before it reaches a contraction, cardiac muscle must wait before it is almost completely relaxed to be activated again (because of its long refractory period), so one cannot make an increase in strength of contraction with a high frequency of stimulations.
The Championships, Wimbledon, commonly known simply as Wimbledon, is the oldest tennis tournament in the world, and is widely regarded as the most prestigious. It has been held at the All England Club in Wimbledon, London, since 1877 and is played on outdoor grass courts.
False blood flows to pick up oxygen not carbon dioxide
