Tag: body fluid

Lymph has no RBCs but about 99% are lymphocytes usually of the small type, the remaining 1% is made up of leucocytes.

(b) Blood is colourless in insects. insects have tracheal respiration. It is carried on by an extensive system of inter-communicating tubes called trachea.

Normal fasting blood glucose is approximately 70-100 mg/dL. Converting this to grams per litre, 1 gram per litre equals 100 mg/dL, which is the standard reference.

The bicarbonate buffer system (HCO3-) is the primary mechanism for maintaining the pH balance in the blood of vertebrates, including birds.

Normal fasting blood glucose is 80-100 mg/100 ml (70-100 mg/dL is the modern standard range). Option A is too low (hypoglycemic range), option B has wrong units, and option D's upper limit is hyperglycemic.

The normal serum calcium level for healthy adults is typically between 8.5 and 10.5 mg/dL.

Red blood cells (erythrocytes) are significantly more numerous in human blood than white blood cells (leukocytes), which are present in much lower concentrations.

Haemocyanin is a copper-containing protein that transports oxygen in the blood of many molluscs and arthropods, giving the blood a blue color when oxygenated.

Urea is synthesized in the liver from ammonia and carbon dioxide. The urea synthesis is a five-step cyclic process, with five distinctive enzymes. This urea is released into the bloodstream from the liver cells. Through blood, urea is transported to kidneys where the blood is filtered and urea is passed out of the body in the urine. Hence the waste matters (urea) are transported by the blood.