<span>Colostrum
is replaced by transitional milk in about 2 to 4 days after birth. This milk
contains high levels of lactose, fat, vitamins and more calories than the
colostrum. Mature milk replaces the transitional milk and begins to appear near
the end of the second week after childbirth. Mature milk contains more water than
transitional milk.</span>
Work is done on an object only if the force and displacement are in the same direction.
Glycolysis takes place in the cytoplasm. Cellular respiration takes place in the mitochondria.
The frogs can get hurt by jumping to the feet