5 Written Questions
5 Matching Questions
- Systole (contraction) and Diastole (relaxation) are all part of the ___________?
- Where is the heart located?
- The human heart has 4 chambers, name them.
- Which are there more of, red blood cells or white blood cells?
- What is Fibrin?
- a The clotting mechanism.
- b It rests on the diaphragm, wedged between the lungs in the mediastinum of the thorax (mediastinum is the part of the thoracic cavity located between the lungs).
- c Cardiac cycle.
- d Red blood cells (they have no nucleus; cannot reproduce)
- e right atrium- it fills the right ventricle with blood.
right ventricle - pumps to lungs
left atrium - it fills the right ventricle
left ventricle - pumps blood to systemic circulation.
5 Multiple Choice Questions
- In the bone marrow, according to the needs of the body.
- To prevent blood loss; important in clot formation.
- Function is to return deoxygenated blood to the heart; high amount of smooth muscle in walls.
- Where all of the important exchanges happen in the circulatory system. They are a single cell to aid fast and easy diffusion of gases.
- Red blood cells that carry the oxygen-carrying protein pigment hemoglobin in the circulation.
5 True/False Questions
What is plasma? → Fluid part of the blood, comprises 55% of the total blood volume and consists primarily of water (91.5%).
What is Hemoglobin? → Its an anti-clotting mechanism.
The circulatory system is commonly known as what? → prevents the heart from expanding too much, it hold the heart in position and encloses fluid.
What is blood? → Fluid part of the blood, comprises 55% of the total blood volume and consists primarily of water (91.5%).
White blood cells (leukocytes) function is: → Defense against infection. They have a nucleus and live hours to days at a time.