The kidneys are the main osmoregulatory organs in mammalian systems; they function to filter blood and maintain the dissolved ion concentrations of body fluids. They are made up internally of three distinct regions—the cortex, medulla, and pelvis.
The citrus fruits are a good source of vitamin C.
The dark green leafy vegetables also have many important vitamins and minerals. They are an abundant source of vitamin C, A, K as well as (folate vitamin B9). Other than these, they also provide iron and calcium. The dark green leafy vegetables are also a great source of fibres. But, they are not very good source of ZINC or selenium.
hence, the correct answer is option A. Vitamin
Answer: Option B.
The heart senses an increase in blood pressure and secrete ANF to decrease blood pressure.
Explanation:
Intinstic regulation is when a cell, tissue or organ system can adjust and respond to change in environment on it's own. The intrinsic is inherent in organ meaning the organ can maintain homeostatis within itself.
For example, the heart can perform intrinsic regulation for it self. The heart can perform myogenic regulation by reacting and responding to increase or decrease in blood pressure to keep the blood flow in normal blood vessel constant. It is a sublevel to control cardiac function.
True...............!!!!!!!!!!
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