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Where does hair grow from: the root or the tip?
Hair grows from the root, which is located beneath the skin.
Is hair a tissue?
Yes, hair is considered a type of tissue. It is made up of a protein called keratin, which is also found in other types of tissue such as skin and nails. Hair grows from hair follicles within the skin.
What part of the human hair is alive?
The hair follicle, which is located beneath the skin, is the living part of the hair. Once the hair grows out of the follicle and emerges from the skin, it is considered dead tissue. This is why cutting your hair doesn't hurt, as it does not have nerve endings or blood supply.
Is cartilage harder than bone?
Bones develop from cartliage. Babies are born with a large amount of cartilage and more bones than adults. These bones eventually fuse together to form the normal number of adult bones. Much of the cartilage in babies grows into bone. Certain bone cells cause minerals to be deposited in the cartilage which makes it (bone) harder and stronger. Bone tissue begins to develop at the center of the cartilage, and blood vessels carry nutrients to the developing bone. As more bone tissue is formed, the bones grows longer. Eventually, the center of the bone is fully formed. A baby's bones are soft, but the gradually become harder and softer as more minerals are deposited. This hardening process is called ossification. As a child grows, new bone tissue is made between the head of the bone and its shaft in special areas called growth plates or growth zones. This is how we grow and get taller. Some cartilage remains at the ends of the bones to protect them. In other places, cartilage remains throughout life and does not turn into bone. This is the case with noses. Noses are shaped by cartilage--not bone.Source: Utah Education Network
What are the key differences between normal tissue and cancerous tissue?
Normal tissue and cancerous tissue differ in several key ways. Normal tissue follows a controlled growth pattern, while cancerous tissue grows uncontrollably. Normal cells have specific functions and structures, while cancer cells often lack these specialized features. Additionally, normal tissue responds to signals that regulate growth and division, whereas cancerous tissue ignores these signals. Finally, normal tissue typically remains localized, while cancerous tissue can invade surrounding tissues and spread to other parts of the body.
What is it called when individual grows to adulthood is the thickness (diameter) of bone increased?
Appositional growth is the process by which old bone that lines the medullary cavity is reabsorbed and new bone tissue is grown beneath the periosteum, increasing bone diameter.
What is critical thickness during heat treatment?
In iron materials ,during the critical thickness of it the ironoxide grows inside the material. This thickness where it happens is called critical thickness.
The ionosphere grows to its greatest thickness during which time?
The ionosphere grows to its greatest thickness during the daytime, particularly around the noon hours when solar radiation is at its peak. The ionosphere interacts with this solar radiation to create ionized layers of the Earth's atmosphere, which gradually diminish in thickness as the sun sets.
Can scar tissue grow around an IUD?
The IUD is in the uterine cavity, which grows and sheds a lining. Scar tissue won't grow around the IUD any more than scar tissue grows around a pierced earring.
What body tissue grows faster than hair?
Your skin.
Where does hair grow from: the root or the tip?
Hair grows from the root, which is located beneath the skin.
What happens to the muscle tissue in response to resistance training?
the muscle tissue breaks and then grows back stronger and thicker
Is a tissue that grows by cell division said to exhibit hyperplasia?
yes
What is a food rich tissue that nourishes the seedling as it grows called?
endosperm
What part of a tree grows below the ground?
roots
What is a food-rich tissue that nourishes the seedling as it grows called?
endosperm
Is hair a tissue?
Yes, hair is considered a type of tissue. It is made up of a protein called keratin, which is also found in other types of tissue such as skin and nails. Hair grows from hair follicles within the skin.
