Tissue types, forms, functions, and why they are the best!

Epithelial Tissues

Epithelial tissues are made of tightly packed cells in order to form a protective barrier. The four functions of epithelial tissue are protection, absorption, filtration and excretion, and secretion.

Connective Tissue

Connective Tissue ranges from very loose to very rigid in order to connect, bind and support structures, protect and cushion organs and tissues, bear weight, stretch, take abuse, insulate, store fat, transport substances, and provide framework and protection.
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The most rigid type of connective tissue, and used to provide framework and protection.
Tissues, Part 3 - Connective Tissues: Crash Course A&P #4

Muscular Tissue

Because of muscular tissue, we are able to move our bodies and stay alive.

Nervous Tissue

Nervous tissue is found in the brain, spinal cord, and nerves, and because of its long myelin sheath and dendrites, it generates and transmits nerve impulses to and from body organs via neurons.
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Blood: Good for you, Great as a Connective Tissue!

Blood is composed of red blood cells, white blood cells, and platelets. Red blood cells distribute oxygen throughout the body, and its small rounded shape helps for easy movement all throughout the body. White blood cells mount immune responses, and they are covered in pathogenic grabbing material in order to eat away at bad stuff while alerting the body that there is something wrong. Platelets are involved in blood clotting, are small in order for them to stick on to red blood cells. Blood is classified as a connective tissue because it moves around nutrients and oxygen through the body. It is perfect for us because without it, we would die from lack of oxygen and nutrients.