In muscle contraction, calcium acts to what?

Which step would a state health department most likely take to reduce lead exposure? promote health-planning operations to limit lead exposure at home.evaluate the number of countries affected by lead exposure.create general national guidelines for working with lead.carry out research on the worldwide effects of lead products.

What evidence can you use to prove that different nerves carry information from the fingertips to the brain?

What can evoke feelings of terror and panic