This edition explains that protoplasm behaves like a chemical substance, with heat and energy arising from chemical reactions. It links fatigue, sensation, and growth to the same chemical processes that govern matter and metabolism.

Readers will also see how glands influence the body's tone, how drugs and poisons interact through chemical affinities, and why small changes in chemical balance can affect health and vitality.

See how the body’s heat comes from chemical activity and how metabolism ties to daily energy.
Understand how temperature shifts raise or lower biological performance.
Learn about chemical tone in tissues and the role of glands in maintaining health.
Explore how medicines and poisons work by binding with tissues at the chemical level.

Ideal for readers curious about how biology and chemistry intersect in living systems.

"About this title" may belong to another edition of this title.

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**Please note our transit times are from the date of dispatch.** We first started out as ?The Paperback Exchange,? a chain of physical bookstores where we would part exchange your beloved books for new stories to transport you to faraway places. However, as shopping started to evolve to online shops and marketplaces, we bid our stores goodbye to become ?PBShop.? This transition has only allowed us to blossom as we now ship thousands of titles to book lovers across the globe. We pride ourselves in being a community of local book lovers which allows our passion and devotion to shine in everything we do. In 2020 we not only celebrated our 20th birthday but our 1st birthday as being completely employee owned after becoming an E.O.T in September 2019. We are proud to be different and embrace standing apart on a book mountain by working from a virtual inventory which allows us to provide thousands of books that may be difficult to get for your bookshelf or your studies. Working with a number of different suppliers allows us to explore other avenues such as puzzles, sheet music and even stationery so we really do have something for everyone. Life is about being versatile in all realms of existence. If this is your first purchase with us, or you are a returning customer, we would like to welcome you to the PBShop family, for there is no friend as loyal as a book. We are a company who put our customers at the centre of everything we do as we understand the importance of reading because once you learn to read, you will forever be free. There are a whole lot of things in this world of ours that we are yet to explore, which is why we will forever inspire curious minds.

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Pbshop.co.uk
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We ask all customers to contact us for authorisation should they wish to return their order. Orders returned without authorisation may not be credited.
If you wish to return, please contact us within 14 days of receiving your order to obtain authorisation.
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Shipping rates from United Kingdom to U.S.A.
Order quantity	10 to 20 business days	10 to 20 business days
First item	US$ 4.36	US$ 4.36

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