The circulatory sistem
The circulatory sistem
Complete the scheme
What does the term "primary prevention" mean?
Why do you think a healthy diet prevents cardiovascular disease?
What other systems in our body benefit from physical exercise? How does physical exercise help them?
Match the term with its definition
They contain haemoglobin, a protein molecule responsible for carrying oxygen.
Interstitial fluid
Fluid found in the spaces surrounding cells. It helps to bring oxygen and nutrients into the cells and to remove waste from them.
Myocardium
Pericardium
These are cell fragments.
Sac that surrounds and protects the heart. It's double membrane filled with liquid and it functions to protect the myocardium.
Endocardium
They're spherical and have a nucleus.
Erythrocytes
Thick layer of muscle tissue that allows the heart to contract. It provides the force to transport blood round the body,
Leukocytes
Layer of tissue that lines the inside of the heart and also the blood vessels. It protects the heart's valves and chambers.
Thrombocytes
Blood plasma is composed of
What happens if the blood flow stops? Reason your answer
Myocardial wall thickness is greater in the ventricles than in the atria. Why?
Look up the following words:
- Disease
-Exercise
-Plasma
-Blood
-Nutrients
-Erythrocytes
-Leukocytes
-Thrombocytes
-Myocardium
-Heart
-Systole
-Diastole
Words appear horizontally, vertically, diagonally and some appear upside down.
Could the heart be a non-cavity organ and lack muscle tissue? Why?
Are blood and interstitial plasma the same thing? Reason your answer.
Add a real image of a real erythrocyte.
Add a real image of a leukocyte.
Add a real image of platelets.