Answer:
The hair is made up of 95% keratin, a fibrous, helicoidal protein (shaped like a helix) that forms part of the skin and all its appendages (body hair, nails, etc.). Keratin is synthesized by keratinocytes and is insoluble in water, thus ensuring impermeability and protection for the hair.
Explanation:
Answer:
The membrane that covers the lungs is called the pleura :)
Explanation:
"Anterior" means "to the front". A horse's head is anterior to the rest of its body. Contrariwise, "posterior" means "to the back", like a horse's tail.
Hope that helped! =)
Answer:
C) Increases in daily fiber intake should be gradual.
Explanation:
Fiber is the indigestible part of plants and carbohydrates. Beans, peas and lentils are some sources of fiber.
Fiber is best obtained through dried peas and beans and not from pills and the optimal amount of fiber varies with gender, age and pregnancy so there is no fixed diet for fiber and 25 g fiber a day is recommended for adult women and 38 g for adult men.
Increases in daily fiber intake should be gradual because a high fiber diet helps to prevent diseases like heart diseases, diabetes, constipation, and colon cancer. It also smoothens the digestive system and lowers the cholrestrol.
Hence, the correct answer is "C) Increases in daily fiber intake should be gradual."
Connective tissue is the most abundant and widely distributed of the primary tissues. Connective tissue has three main components: cells, fibers, and ground substance. Together the ground substance and fibers make up the extracellular matrix
