Answer:
To send blood through the body.
Explanation:
“Every time your heart beats, it sends blood throughout the body.”
Answer:
B. nociceptors
Explination
Nociceptor or "pain receptor" is a sensory neuron that responds to damaging or potentially damaging stimuli by sending “possible threat” signals to the spinal cord and the brain.
The exact cause of a benign tumor is often unknown. ... In the case of tumors, dead cells remain and form a growth known as a tumor. Cancer cells grow in the same manner. However, unlike the cells in benign tumors, cancerous cells can invade nearby tissue and spread to other parts of the body.