Question

Type the correct answer in the box. Spell all words correctly.
Fill in the box with one of the following words: first, second, third.

Steve cut his hand deeply while working, and the wound became infected. When Steve first cut his hand, his ____ line of immune defense was broken.

Answer 1

Explanation:

his first line of immune defense

Answer 2

Answer:

Steve cut his hand deeply while working, When Steve first cut his hand, his epidermis / skin line of immune defense was broken and the wound became infected.

Explanation:

Epidermis

The dermis and hypodermis are the two inner layers of the skin, with the epidermis serving as its outermost layer. Transepidermal water loss from the body is controlled by the epidermis layer, which also acts as a barrier against infection from environmental microorganisms.

Overlying a base layer of columnar cells oriented perpendicularly is the epidermis, which is made up of several layers of flattened cells. From stem cells in the basal layer, the layers of cells are formed. A well-known example of an epithelium is the human epidermis, particularly a stratified squamous epithelium.

To act as a strong barrier against the outside environment, epidermal cells are closely attached to one another. The transmembrane proteins known as cadherins create adherens junctions, a type of junction between epidermal cells. The actin filaments and cadherins are connected inside the cell.

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