What are skin macrophages that help activate the immune system?
Dendritic cells Skin macrophages that help activate the immune system.
What are the five layers of the epidermis?
The layers of the epidermis include the stratum basale (the deepest portion of the epidermis), stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum (the most superficial portion of the epidermis).
What are the two main layers of the skin?
The epidermis, the outermost layer of skin, provides a waterproof barrier and creates our skin tone. The dermis, beneath the epidermis, contains tough connective tissue, hair follicles, and sweat glands. The deeper subcutaneous tissue (hypodermis) is made of fat and connective tissue.
How many layers of epidermis are there?
five layers
Which is the smallest muscle in the body?
the stapedius
What is the hardest bone in the human body?
The hardest bone in the human body is the jawbone. The human skeleton renews once in every three months. The human body consists of over 600 muscles. Human bone is as strong as steel but 50 times lighter.
Which is the strongest joint in human body?
The muscles and ligaments that surround the joint are also some of the largest and strongest in the body. So why does the biggest, strongest joint in the body become a problem?
What is the weakest joint in the body?
There are only two ball and socket joints in the human body. They are the hip and the shoulder joints (there are two in the hip and one in each shoulder). Of the two areas where there are ball and socket joints, the shoulder is the weakest.
What is the most unique part of the body?
The very back of the eye, the retina, is a precise snapshot of your nervous system, unique to you. It displays a pattern of blood vessels that your eye doctor observes to detect the first signs of diabetes, high blood pressure, and even declining brain health.