How is the blood volume of a living organism measured without killing it? The blood volume of a living organism can be measured without killing it using...
Were dinosaurs ‘hot-blooded’ or ‘cold-blooded’? The question of whether dinosaurs were ‘hot-blooded’ or ‘cold-blooded’ has been a topic of scientific debate for many years. While it is...
What actually happens when my leg ‘falls asleep’? When your leg “falls asleep,” it is experiencing a sensation called paresthesia. This occurs when the nerves that carry...
Dimensionless number for blood volume The critical dimensionless number for blood volume in circulation is the Hematocrit (Hct). Hematocrit represents the proportion of total blood volume occupied...
How are signalling pathways specific when secondary messengers are not? Signaling pathways in cells are highly specific despite the fact that secondary messengers, such as cyclic AMP...
Physiological Effect of Mannitol Mannitol is a sugar alcohol commonly used as an osmotic diuretic in medical practice. It acts by increasing the concentration of solutes in...
Why does a distraction cause a longer reaction time? A distraction can cause a longer reaction time due to several factors. Firstly, distractions can shift our attention...