Life processes

Subject: Science

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Lesson Info

  • Notes 4
  • Videos 13
  • Exercises 42
  • Practice Test 31
  • Skill Level Medium


Upon completion of this lesson, students must be able to:

  • State the function and importance of protoplasm.
  • Describe transport system of cells in unicellular and multicellular organisms.
  • Describe human heart and blood vessels .
  • Differentiate between sexual and asexual reproduction.



The heart is an important organ in our body. It is made up of cardiac muscles. The heart pumps blood from the heart to the different part of the body. The heart supplies oxygenated blood to the cells through blood vessels. The heart also helps to collect deoxygenated blood from different cells, send it to lungs for purification and then transport again to the cells. This note provides information about heart and its structure. Learn More


Blood is a red fluid which circulates around the body through blood vessels. Blood is red due to the iron-containing pigments called hemoglobin. Blood is composed of plasma and blood cells. Plasma is a yellowish transparent liquid. The note of Blood provides information about the function of blood, its structure, blood cell with an example. Learn More


Photosynthesis is a necessary process for the life process of animals and plants. Green plants prepare their food by themselves. This note provides information about the process of Photosynthesis with an example.

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Sexual Reproduction

The reproduction that takes place with the fusion of a male gamete and a female gamete is called sexual reproduction. This note provides an information on sexual reproduction. Learn More

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