The internal surfaces such as inside blood vessels and lymph nodes are covered by endothelium and the external surfaces are covered by epithelium. "Epithelial tissues line the cavities and surfaces of structures throughout the body, and also form many glands." (Wikipedia)
Epithelial tissue covers the surfaces of the body, forming a protective barrier against the external environment. This type of tissue is found in the skin, lining of internal organs, and the lining of blood vessels.
Bluegills have internal fertilization, where the male releases sperm inside the female's body to fertilize her eggs.
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The human skeleton is internal, providing support and protection for the body's organs and giving our bodies shape and structure.
The fluid link between the external and internal environment is the plasma membrane of cells. It acts as a selectively permeable barrier that regulates the passage of substances in and out of the cell, maintaining the cell's internal environment while interacting with the external environment.
Epithelial tissue covers the surfaces of the body, forming a protective barrier against the external environment. This type of tissue is found in the skin, lining of internal organs, and the lining of blood vessels.
Is food in the stomach in the external or internal environment of the body?
The skin is the tissue or organ that covers and protects the human body. It is the largest organ of the human body and serves multiple purposes.
internal happens inside the body and in land external happens outside the body and in water
Integumentary system covers both internal and external body structures.
an internal deals with the inside of your body and a external adaptation deals with the outside of ur body
Homeostasis is internal. It refers to the body's ability to maintain a stable internal environment regardless of external influences.
1. is the study of internal and external structures of the body and the physical relationships among body parts.
the fertilization takes place inside the fem. body ..........(internal) the fertilization takes place outside the female body ...(external)
The external is the outside of your body, like the skin. The internal is the inside where all of your organs and your heart are.
internal is on the inside of your body while external refers to body parts that are on the outside such as skin and nails.
Bluegills have internal fertilization, where the male releases sperm inside the female's body to fertilize her eggs.