However, I can provide you with a brief overview of Chapter 11 - Transportation in Animals.

Chapter 11 of NCERT Science textbook for Class 7 covers the topic of transportation in animals. It discusses the different systems involved in transporting materials within the bodies of animals, including humans. Some key points covered in this chapter are:

1. Introduction to the circulatory system: The chapter begins by explaining the importance of the circulatory system in animals and its role in transporting nutrients, oxygen, hormones, and waste products throughout the body.

2. Components of the circulatory system: It discusses the different components of the circulatory system, including blood, blood vessels (arteries, veins, and capillaries), and the heart.

3. Structure and functioning of the heart: This section explains the structure and functioning of the heart, including the different chambers (atria and ventricles) and the role of valves in regulating blood flow.

4. Blood vessels and their functions: It describes the different types of blood vessels and their functions, such as carrying oxygenated and deoxygenated blood, exchanging nutrients and waste products with body cells, and regulating blood pressure.

5. Blood: This section explains the composition of blood, including red and white blood cells, platelets, and plasma.

6. Lymphatic system: It provides an overview of the lymphatic system and its role in the immune response and the removal of excess fluids from tissues.

7. Double circulation: The concept of double circulation is introduced, explaining how the human circulatory system consists of the pulmonary circulation (between the heart and lungs) and the systemic circulation (between the heart and the rest of the body).

8. Disorders of the circulatory system: The chapter also briefly discusses some common disorders of the circulatory system, such as hypertension, heart attack, and stroke.

Please note that this is just a general overview of the chapter. To access the full NCERT Solution for Chapter 11 - Transportation in Animals, it is recommended to refer to the official NCERT textbook or reliable online educational platforms that provide NCERT solutions.