Explanation
The lymphatic system is responsible for returning excess interstitial fluid to the blood. Of the fluid that leaves the capillary, about 90 per cent is returned. The 10 per cent that does not return becomes part of the interstitial fluid that surrounds the tissue cells. It helps in the exchange of gases, nutrients and removes metabolic waste.
So, the correct answer is option A.
$$\textbf{Correct Option B}$$
$$\textbf{Solution}$$
$$\bullet$$ $$\textbf{Option A}$$ The union of the internal and external iliac veins creates the common iliac vein. The primary function of these veins is to drain deoxygenated blood and return this blood to the heart.
$$\bullet$$ $$\textbf{Option B}$$ The inferior vena cava is a large vein that carries the deoxygenated blood from the lower and middle body into the right atrium of the heart. It is formed by the joining of the right and the left common iliac veins, usually at the level of the fifth lumbar vertebra. It is essential for venous blood while travelling from kidneys towards heart.
$$\bullet$$ $$\textbf{Option C}$$ The liver is a large, meaty organ that sits on the right side of the belly. The liver has two large sections, called the right and the left lobes. The liver is reddish-brown in color and feels rubbery to the touch and weighs around 3 pounds.
$$\bullet$$ $$\textbf{Option D}$$ The hepatic veins carry oxygen-depleted blood from the liver to the inferior vena cava. There are usually three upper hepatic veins draining from the left, middle, and right parts of the liver.
$$\bullet$$ $$\textbf{Option E}$$ Veins are the blood vessels that carry blood to the heart. Pulmonary veins are responsible for carrying oxygenated blood from the lungs back to the left atrium of the heart. This differentiates the pulmonary veins from other veins in the body, which are used to carry deoxygenated blood from the rest of the body back to the heart.
a) About 91-96% of urine consists of water. Urine contains some assortment of inorganic salts and organic compounds as well. These compounds are proteins, hormones, and a wide range of metabolites.
b) CSF is a product of plasma filtration and membrane secretion, and so its composition is different from that of plasma. CSF, in general, is clear, colourless, nearly acellular, and has a low protein concentration. Various ions, enzymes, and other substances are also found in normal CSF.
c) The different components that makeup blood. Plasma, white blood cells, red blood cells, platelets.
d) Lymph is a clear-to-white fluid made of: White blood cells, especially lymphocytes, the cells that attack bacteria in the blood. Fluid from the intestines is termed as chyle, which contains proteins and fats. So, Fluid with a variable amount of materials is lymph.
Thus, the correct answer is D.
A. Correct option – D
B. Explanation for correct option –
Double circulation means when the blood passes through the heart twice - E.g. Birds and mammals( including humans).
Fishes have heart with two chambers and the circulation is unidirectional and closed circulatory system .
Hence option D is correct
Correct Option: A
Explanation:
Hence, people who have migrated from the planes to an area adjoining Rohtang Pass about six months back have more RBCs and their haemoglobin has a lower binding affinity to O2.
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