The ends of the femur are covered in a smooth, slippery substance called articular cartilage. This cartilage protects and cushions the bone when you bend and straighten your knee. The normal anatomy of the knee.
Sodium is the principal extracellular electrolyte
Answer:
If i could change one thing it would be those pointless tests, there is just too many of them and online school barely teaches me anything anyways -_-
Explanation:
The answer here would be tissues.
for example,The Epithelial Tissue , or skin, is involved with protection, secretion, absorption, and filtration, it protects the body from dirt, dust, and other microbes that may be harmful to the body.
The Connective Tissue is the most abundant and widely distributed tissue of them all, their job is to provide support and protection for the body. This includes <span>ordinary loose connective tissue, fat tissue, dense fibrous tissue, cartilage, bone, blood, and lymph, hence the reason why its considered abundant.
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Lastly there is the Muscle tissue: Skeletal, Smooth, and Cardiac: There are three types of muscle tissue: skeletal, smooth, and cardiac. Skeletal muscle is a voluntary type of muscle tissue that is used in the contraction of skeletal parts. Smooth muscle is found in the walls of internal organs and blood vessels. It is an involuntary type. The cardiac muscle is found only in the walls of the heart and is involuntary in nature. <span>
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