name the 4 types of cells and their functions

These four main cells and their function:- 1) Epithelial Cells:-They cover over the interior of hollow organs, like blood vessels or digestive organs, or else form the surface of things, like the skin. Without epithelial cells, you would have no skin to protect your body from injury and would have no stomach to digest your food. 2). Nerve Cells. These cells are specialized for communication. They send signals from the brain to muscles and glands that control their functions. 3).Muscle Cells. These cells are specialized for contraction. Without muscle cells, you would not be able to move. 4).Connective Tissue Cells. These cells provide structural strength to the body and also defend against foreign invaders like bacteria. Regards

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Dear student.

Stem cells

Stem cells?are cells that are yet to choose what they are going to become. Some differentiate to become a certain cell type, and others divide to produce more stem cells. They are found in both the embryo and some adult tissues, such as?bone marrow.

Bone cells

There are at least three primary types of bone cell:

Osteoclasts, which dissolve bone.

Osteoblasts, which form new bone.

Osteocytes, which are surrounded by bone and help communicate with other bone cells.

Blood cells

There are three major types of blood cell:

red blood cells, which carry oxygen around the body

white blood cells, which are part of the immune system

platelets, which help blood clot to prevent blood loss after injury

Muscle cells

Also called myocytes, muscle cells are long, tubular cells. Muscle cells are important for a huge range of functions, including movement, support, and internal functions, such as peristalsis ? the movement of food along the gut.

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