Connective tissue
Connective tissue is one of the four main types of tissue found in the human body. It is responsible for connecting, supporting, and protecting different structures and organs. This tissue consists of cells and an extracellular matrix that is composed of fibers and ground substance.

Functions of connective tissue
Connective tissue has various functions in the body, including:

1. Support: Connective tissue provides structural support to the body by forming the framework for organs, muscles, and bones.

2. Protection: It protects delicate organs and tissues by forming a barrier against mechanical, chemical, and microbial insults.

3. Transport: Some types of connective tissue, such as blood and lymph, transport nutrients, oxygen, hormones, and waste products throughout the body.

4. Storage: Connective tissue acts as a storage site for energy in the form of fat and also stores minerals like calcium.

Types of connective tissue
There are several types of connective tissue in the body, including:

1. Loose connective tissue: This type of tissue is found throughout the body and provides support and flexibility. It is present in the skin, mucous membranes, and between organs.

2. Dense connective tissue: It is composed of tightly packed collagen fibers and is found in tendons and ligaments, providing strength and stability to joints.

3. Cartilage: Cartilage is a smooth and flexible connective tissue found in the joints, ears, nose, and respiratory passages. It acts as a cushion and reduces friction between bones.

4. Bone tissue: Bone tissue is a hard and rigid connective tissue that forms the skeletal system. It provides support and protection to the body and is involved in mineral storage and blood cell production.

5. Blood tissue: Blood is a connective tissue that consists of red and white blood cells, platelets, and plasma. It plays a crucial role in transporting oxygen, nutrients, hormones, and waste products throughout the body.

In conclusion, blood tissue is a type of connective tissue. It is responsible for transporting various substances and plays a vital role in maintaining the overall functioning of the body.

Connective tissue is the tissue that has/includes blood inside it.