The correct answer is keratin. The protein found in hair and nails is known as keratin. Keratin is produced by the keratinocytes. Keratin is the basic component of the hair and the nails of a human being. It can also be found in the skin cells in the outer layer.
I would say D. small intestine
If you want an explanation, here it is
After leaving the stomach, water is absorbed mostly in the early segments of the
small intestine, the duodenum, and the jejunum. A small portion of all water absorption occurs in the stomach and the colon: the small intestine absorbs 6.5L/day, whereas the colon absorbs 1.3L/day.
Answer:
Darker colored objects will heat at a faster rate than Lighter colored objects.
Explanation:
Landscape ...... music...
Answer:
From the energy stored in food substance( glucose) as Chemical energy to the energy of motion,which is Kinetic energy.
Explanation:
The energy is produced in the mitochondria which are packed in the flagellum of the a sperm cells.Thus as the sperms move the these flagella flips back and forth,Energy inform of ATPs are generated from the glucose(chemical energy) during cellular respiration in the mitochondria, this energy is converted to Kinetic energy for motility.
Specifically,ATP production for the sperm cells is initiated by Glycolysis. This is because the environments where it swims to meet the ovum punctuates with in oxygen, besides,Glycolysis can occur with or without oxygen.
Sperm motility is very important to male fertility.