Popliteus muscle
from: https://en.m.wikipedia.org/wiki/Popliteus_muscle
It is 61 percent........so estimating it as 60 %
CHEERS MATE!!
Mechanical digestion is the breaking down of food into smaller pieces physically. Mechanical digestion begins in the mouth as the food is chewed.
but in the case of chemical digestion, it breaks the food into simpler nutrients that can be used by the cells. Chemical digestion begins in the mouth when food mixes with saliva.
for more refer to this:
Hope this helped
and ur welcm
I think the correct answer from the choices listed above is option B. Keratin is the protein in mammals which shows only a primary and secondary structure. Keratin is a fibrous protein forming the structural constituent of hair, feathers, hoofs, claws and many others.
Answer:
scientist has estimated that over 8.7million species in the world of plants and animals in existence, though as few as 6.5million on land and 2.2million in the ocean