Guided Reading Activity #59
Directions: Briefly answer the following questions in the space provided.
1. What are the three structures of the cardiovascular system?
2. Describe the structure of the heart, including the atria, the ventricles, and the septum.
3. Describe specific functions of three types of white blood cells.
4. Explain the role capillaries play in body temperature regulation.
5. Explain how a clot forms.
6. Complete these sentences.

answer; ///i believe the correct answer is (a) check first good luck

to prevent people from getting the ebola virus, countries around the world paid to doctors develop a new vaccine. now that the vaccine has been made, doctors will need to experiment on a large number of people to find out if it works safely.

what is the greatest limitation that scientists are dealing with as they try to figure out how to experiment with the ebola vaccine?

meditation is a practice of sitting still and quiet for minutes or even hours. it has been practiced for thousands of years and is even a part of religious practices for some people. carefully controlled, repeated measurements of brain activity have shown that meditation does increase certain chemicals in the brain and even grows the part of the brain that people connect with their current surroundings and activities.

are claims about the effects of meditation most likely scientific or pseudoscientific?

not pseudoscientific, because people have made claims about it but scientific observations have not been made