Circulatory System 1. Describe how blood flows through the heart. -

2, What controls heartbeat? -

3. How do arteries differ from veins? -

4. What is blood pressure? What is hypertension? -

5. List factors that increase the risk of cardiovascular disease. -

6. Identify three types of blood cells and their functions. -

7. To take your pulse, you press your fingers against an artery near the surface of the body. What are you feeling and measuring when you take your pulse? Why can’t you take your pulse by pressing your fingers against a vein? -

8. People with type O blood are called “universal donors” because they can donate blood to anyone else, regardless of their ABO blood type. Explain why. -

9. Compare and contrast the pulmonary and systemic circulations. -

10. Explain the role of blood vessels in homeostasis. -

answer: b: experiments that showed that all cells are similar in how they metabolize and in their composition

explanation:

it depends on how much it could carry.

hi my name is ashlynn and im 15

these macromolecules could either be amino acids, proteins or nucleic acids. they are responsible for the chemical changes and reactions that affects largely the cell and its composition. take for instance the cytoplasm of the cell where these organelles are settled. these simple organelles are composed of macromolecules which ignites and catalyses different functions that enables cells, in macro-perspective in motion and metabolism. in intestines for example, metabolism happens and breaking down parts of a food to simpler compounds that are used and these nutrients delivered throughout the body and again broken down by into smaller components.

huh

explanation: