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Question

Name any four substances transported by blood.

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Solution

The four substances transported by blood are:

  • Respiratory gases like oxygen and carbon dioxide (from and to the lungs).
  • Nutrients (from the digestive system).
  • Waste materials (from different body parts to the excretory system).
  • Hormones (from glands to different parts of the body).

As we all know, blood's primary role is transportation. Blood vessels resemble a system of roadways where things are delivered, and waste is removed. In addition to carbon dioxide and other waste materials being eliminated from the body, blood carries nutrients, hormones, oxygen, and other substances throughout the body. The blood is continually being pumped around the body by the heart.

Vitamins, minerals, carbohydrates, fats, proteins, and other nutrients are transported throughout the body via the blood. Through the small intestine, digested nutrients are absorbed into the blood. Then they are transferred to the cells in the body that need them.

Communication between organs is made possible by the blood's transportation of hormones throughout the body. Hormones aid in the regulation of several bodily functions, such as mood, growth, and development.

Final Answer

The four substances transported by blood are respiratory gases, nutrients, hormones and waste materials.

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