Answer:
The Articular cartilage.
Explanation:
Articular cartilage is the smooth, white tissue that covers the ends of bones where they come together to form joints. Healthy cartilage in our joints makes it easier to move. It allows the bones to glide over each other with very little friction. Articular cartilage can be damaged by injury or normal wear and tear.
Answer:
Tissue
Explanation:
Each cell type has a special feature that enables it to perform a particular function effectively. Thus, cells are said to be specialized to perform different functions. Groups of specialized cells are assembled together to form a tissue. Examples are muscle, skeletal and nervous tissues. Different tissues working together form organs like the heart, kidney and eyes
Natural barriers include the skin, mucous membranes, tears, earwax, mucus, and stomach acid. Also, the normal flow of urine washes out microorganisms that enter the urinary tract. The immune system uses white blood cells and antibodies to identify and eliminate organisms that get through the body's natural barriers.
Answer: The human brain and other nerve tissues use mostly as fuel.
