Use the following word bank to complete the number 51100 Thi

Use the following word bank to complete the number 51-100 This structure protects fish gills This Is the site In mammals where gases are exchanged with the environment This Is the site of gas exchange in insects This vein collects blood from the lower body and carries it to the heart The common opening of the digestive system, the excretory system and the reproductive system Is known as the Bile is produced in the Phloem, responsible for transporting nutrients in plants is composed of two types of cells and cells. These organs in spiders produce silk In this kind of circulatory system blood is carried entirely in vessels: This organ is both and endocrine and exocrine gland This group includes platypus and spiny anteaters.

Solution

1. Operculum- Operculum of bony fish is a hard bony flap covering and protecting the gills.

2. Alveolus-Tiny sacs of the lungs which helps in gaseous exchange.

3. Tracheal Tube- In insects the gaseous exchange occurs through a network of tubes called the tracheal tube.

4. Inferior Vena Cava-It carries the blood from the lower body and carries it to the right atrium.

5. Cloaca-It is the common opening between the external environment and the digestive, reproductive and excretory system.