Phosphorylation is a mechanism that integrates a group of phosphates into an organic molecule. It plays an important role in regulating various... View Article
ATP synthase is a protein. Its function is to catalyse the formation of the ATP using ADP and inorganic phosphate Register at BYJU’S NEET... View Article
One of the characteristic signs of poor circulation in the legs is that the toe nails turn brittle. It can also cause hair on your feet to fall... View Article
ACE Inhibitors prevent the body from producing a chemical called angiotensin II. This chemical is responsible for narrowing blood vessels and... View Article
Rhizocarpon geographicum, or the Map lichen, is a species of lichen that has an estimated age of 8,600 years, making it the oldest living... View Article
Reducing protein intake and avoiding supplements that contain creatine can help reduce blood urea levels. Certain foods such as carrots and... View Article
A normal, healthy reading would be 120/80mm Hg or lower. Hypertension is usually characterized when systolic reading is 140 mm Hg or higher and... View Article
Some may experience a feeling of lightheadedness. Others may feel a pounding sensation in their head or chest. However, many with high blood... View Article
Resistance blood vessels are blood vessels that are very small in diameter. These vessels are usually end-points of arteries or arterioles.... View Article
Following are blood clotting factors and their common names: Factor I - fibrinogen Factor II - prothrombin Factor III - tissue thromboplastin... View Article
If blood flow to the kidneys are compromised, the kidneys release two chemicals - angiotensin II and prostaglandins. These chemicals work by... View Article
Animals such as sea anemones, corals and jellyfish do not have a circulatory system, and hence, do not have blood. Register at BYJU’S NEET... View Article
Stages of blood clotting (or hemostasis) can be divided into the following stages: Blood vessel constriction Formation of a temporary platelet... View Article
Marasmus is a protein-energy malnutrition and can be considered a chronic illness as it manifests itself slowly. It is caused due to an overall... View Article
Phellem is a type of tissue formed on the outer side of the phellogen and is made of dead cells. Register at BYJU’S NEET to explore other... View Article
Oxygenated blood that is found in arteries is bright red, while blood drawn from veins appears much darker (with a reddish-purple tinge). ... View Article
Technically, blood is a mixture because it is made up of many individual components. These include plasma, RBC, WBC and platelets. Main Article:... View Article
Contrary to popular belief, human blood is red not because of the iron in haemoglobin. Instead, the actual reason for the colour of blood is... View Article