01 EA2 Hemoglobin and O2

Hemoglobin and O2

Hemoglobin is a protein that can be found in erythrocytes or red blood cells. This protein is able to bind oxygen in the lungs and carry it to the rest of the body. There it releases the oxygen to enable aerobic respiration which creates energy....

10 Buffers

Buffer

A buffer solution can also be called a buffer agent, or acidity regulator. A buffer develops when two substances (a weak acid and its conjugate base, or vice versa) are combined in an aqueous solution. The mixture of these two substances is called a buffer,...

09 Blood transport

Blood Transport

The circulatory system ensures that the oxygen we inhale reaches the organs, and that carbon dioxide is exhaled as we breathe. From the organs, oxygen-depleted blood, which is filled with carbon dioxide, ends up in the superior and inferior vena cava. This blood is transported...

08 Thromboembolie

Thromboembolism

A thrombosis appears when a clot forms inside a blood vessel. A clot that forms inside a vein is called a venous thrombus (plural thrombi). Venous thrombi most commonly form in the veins of a leg or arm. When a clot breaks loose, it enters...

07 Venous return to the heart

Venous return to the heart

Veins ensure that blood returns to the heart, where it can be transported to the lungs and oxygenated so it can travel through the body again. To make sure that the blood in the veins of the lower body reaches the heart, which defies gravity,...

06 Effect of temperature on the blood

Effect of temperature on pH

When blood temperature rises, haemoglobin absorbs less H+ ions. Therefore, the concentration of free H+ in the blood also rises, and the pH goes down as a result. pH is a measure for the acidity of the blood (the lower the pH, the more acidic...