5 Written questions
5 Matching questions
- What is the function of the circulatory system?
- Where is the heart located?
- How is the blood supplied to the heart?
- What are erythrocytes?
- The human heart has 4 chambers, name them.
- a 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.
- b Red blood cells that carry the oxygen-carrying protein pigment hemoglobin in the circulation.
- c 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).
- d By the coronary arteries.
- e Its an important communication and transport channel with networks, in the form of blood vessels, linking various tissues.
5 Multiple choice questions
- Where all of the important exchanges happen in the circulatory system. They are a single cell to aid fast and easy diffusion of gases.
- "Faucet" regulates blood pressure; delivers blood to the capillaries.
- Defense against infection. They have a nucleus and live hours to days at a time.
- A few days to a couple of months.
- The Cardiovascular System.
5 True/False questions
The heart is surrouned by a serous sac reinforced by dense connective tissue called the ? → Pericardium
We have more veins than we do have arteries, true or false? → True!
Name the 5 types of white blood cells. → 1) Neutrophils (the most common are phagocytic; 55% - 70% of total white blood count). They seek out bacteria and ingest and kill them. They are near sites of injury2) Eosinophils (2-5% of total blood count). They attack parasites and are responsible for allergic response within the blood.3) Basophils (less than 1% of total wbc count) secrete anti-coagulant and antibodies. 4) Monocytes (5%-8% in total wbc count) are the largest of the wbc and they act as macrophages and remove foreign particles; play a key role in immunity. 5) Lymphocytes role in recognizing self and nonself, they can only recognize certain antigens.
There are 5 types of blood vessels. Name them. → 1- Largest is arteries
2- Arterioles (smallest artery)
3-Capillaries (from the arterioles)
4- Venules (capillaries join to form venules) which begin the process of returning blood to the heard.
5- Veins (venules join to form veins), the larger blood vessels which complete the return of blood from capillaries to the heart.
Blood contributes 8% of the body weight. True or False → True.