The table below is designed to indicate the transport of certain substances in our body. Fill in the blanks with suitable answers:SubstanceFromTo1. …………LungsWhole body2.Carbon dioxide…………….……………..3...

Question

The table below is designed to indicate the transport of certain substances in our body. Fill in the blanks with suitable answers:

Substance	From	To
1. …………	Lungs	Whole body
2.Carbon dioxide	…………….	……………..
3. Urea	……………..	……………..
4. Digested carbohydrates	Intestine	…………………..
5. ……………..	……………..	Target organs

Philoid · Accepted Answer

SubstanceFromToExplanation1. OxygenLungsWhole bodyOxygen enters the lungs as part of the air that we breathe. It goes to the blood vessels deep in our lungs & then on to all parts of the body.2. Carbon dioxideTissuesLungsThe lungs releases carbon dioxide from the bloodstream into the atmosphere in a process of gas exchange.3. UreaLiverKidneyUrea is a waste product which is transferred from liver to kidneys so as to remove it via urine. (Urea is a constituent of urine).4. Digested carbohydratesIntestineLiverThe carbohydrates are transferred from intestine to liver as liver acts like a store to regulate the quantity of nutrients e.g excess sugar is stored as glycogen.5. HormonesEndocrine glandsTarget organsHormones are secretion from endocrine glands which is poured into blood & acts on the target organs or cells of the body.E.g . adrenal glands secrete adrenaline which increases heart beat by increasing the blood pressure.

Column A	Column B
(a) S A Node	Plasma
(b) Defective haemoglobin in RBC	Serum
(c) Muscle fibres located in heart	Pacemaker
(d) The liquid squeezed Out of blood during clotting	Sickle cell anemia
(e) Never tires, keep on contracting and relaxing	Purkinje fibres
(f) Cardiac cycle	Cardiac muscle
(g) Liquid part of the blood Without corpuscles	0.85 sec

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Substance	From	To	Explanation
1. Oxygen	Lungs	Whole body	Oxygen enters the lungs as part of the air that we breathe. It goes to the blood vessels deep in our lungs & then on to all parts of the body.
2. Carbon dioxide	Tissues	Lungs	The lungs releases carbon dioxide from the bloodstream into the atmosphere in a process of gas exchange.
3. Urea	Liver	Kidney	Urea is a waste product which is transferred from liver to kidneys so as to remove it via urine. (Urea is a constituent of urine).
4. Digested carbohydrates	Intestine	Liver	The carbohydrates are transferred from intestine to liver as liver acts like a store to regulate the quantity of nutrients e.g excess sugar is stored as glycogen.
5. Hormones	Endocrine glands	Target organs	Hormones are secretion from endocrine glands which is poured into blood & acts on the target organs or cells of the body. E.g . adrenal glands secrete adrenaline which increases heart beat by increasing the blood pressure.