Co-ordination between Organs and Systems to keep the body fit: The body of man and other animals is formed in harmonization with some systems. A particular structure is again formed of some related organs. Each…

Animal body organ Systems: For performing various physiological functions, such as digestion, respiration, excretion, reproduction etc. several organs together form the organ systems in animal body. These are: Digestive System: This system is associated with…

The Nerve Tissue: Structural Characteristics: The particular type of tissue, which forms the nervous system, is called nerve tissue. Receiving stimulus from the environment, the nerve tissue transmits it within the body and accordingly appropriate…

An organ is a part of animal body formed by the combination of one or more than one type of tissues performing a particular function is called an organ. An organ system is a group…

Cardiac Muscle: Structural Characteristics: The special type of involuntary muscle that forms the heart of vertebrate animals is called the cardiac muscle. The cells of this muscle tissue are tubular (very similar to those of…

Involuntary or Smooth Muscle: Structural Characteristics: The contraction and expansion of this muscle tissue are not at all of the living beings. This muscle tissue is spindle-shaped. Transverse striations are not present here. That is…

Voluntary or Striated Muscle: This Type of muscular tissue can be contracted or expanded at the will of the living beings. The cells of the voluntary muscle tissue are tubular, not branched and provided with…

Fluid Connective Tissue: Structural Characteristics: Matrix of this tissue is liquid. Connective tissues are a tissue that supports, connects, or separates different types of tissues and organs of the body. Its cells are surrounded by…

Blood Cell or Blood Corpuscles: Blood is a type of alkaline, slightly saline, red colored, liquid connective tissue. Flowing through the artery, veil and capillaries, blood takes part in internal circulation. Blood, blood vessels and…

Skeletal Tissue: Internal structural building tissue of the body is called the skeletal tissue. It is a muscle that is connected at either or both extremities with a bone and consists of elongated, multinucleated, transversely…