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Science Help

Get help with science by selecting the topic below that you're interested in learning more about. From biology and chemistry to physics we've got study materials to help you learn.

Study Guides

showing 691 - 699 of 699
  • 691.

    Respiratory System Practice Problems

    Review these concepts if necessary: Respiratory System Respiratory System Practice Problems Practice

    Source: McGraw-Hill Professional
  • 692.

    Digestive System Help

    Digestive Processes The food we eat is utilized at the cellular level in chemical reactions involving: synthesis of proteins, carbohydrates, hormones, and enzymes; cellular division, growth, and repair; and production of heat. To become usable by the cells, most ...

    Source: McGraw-Hill Professional
  • 693.

    Digestive System Practice Problems

    Review these concepts if necessary: Digestive System Digestive System Practice Problems Practice

    Source: McGraw-Hill Professional
  • 694.

    Metabolism and Temperature Regulation Help

    Metabolism Foods are first digested, then absorbed, and finally, metabolized. Metabolism refers to all the chemical reactions of the body. There are two aspects of metabolism: catabolism, the breaking-down process which provides energy ...

    Source: McGraw-Hill Professional
  • 695.

    Metabolism and Temperature Regulation Practice Problems

    Review these concepts if necessary: Metabolism and Temperature Regulation Metabolism and Temperature ...

    Source: McGraw-Hill Professional
  • 696.

    Urinary System Help

    Urinary System The urinary system plays a critical role in regulating the composition of body fluids (water balance, electrolyte balance, and acid-base balance). It also rids the body of metabolic wastes and foreign matter (chemicals, drugs). The kidneys also have ...

    Source: McGraw-Hill Professional
  • 697.

    Water and Electrolyte Balance Help

    Distribution of Water in the Body Water is the most abundant substance in the human body, ranging from 40 percent–80 percent of total body weight (BW). All metabolic reactions require water. Body water is distributed between two major compartments: the ...

    Source: McGraw-Hill Professional
  • 698.

    Water and Electrolyte Balance Practice Problems

    Review these concepts if necessary: Water and Electrolyte Balance Water and Electrolyte Balance Practice Problems

    Source: McGraw-Hill Professional
  • 699.

    Reproductive System Help

    Gamete Formation Gametes, or sex cells, are the functional reproductive cells. They are haploid cells, each containing a half-complement of genetic material (23 single chromosomes). Fertilization of an ovum by a ...

    Source: McGraw-Hill Professional
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