Latest Basics News
Phagocytosis and Inflammation
The first cytokines to be produced are pro-inflammatory; that is, they encourage inflammation,…
The Immune System
Figure 23.1. In this compound light micrograph purple-stained neutrophil (upper left) and…
Hormonal Control of Osmoregulatory Functions
While the kidneys operate to maintain osmotic balance and blood pressure in…
Nitrogenous Wastes
Of the four major macromolecules in biological systems, both proteins and nucleic…
Excretion Systems
Microorganisms and invertebrate animals use more primitive and simple mechanisms to get…
The Kidneys and Osmoregulatory Organs
Although the kidneys are the major osmoregulatory organ, the skin and lungs…
Blood Flow and Blood Pressure Regulation
Blood pressure (BP) is the pressure exerted by blood on the walls of…
