Then there are blessings in consuming it. When you eat it while hungry, how delicious it is! When you place it in your mouth, you experience pleasure; and as it passes through the intestines, you feel no discomfort.
Now, if a mosquito were to land on your hand, you would feel its legs and shudder at it. Yet this coarse food descends through these delicate intestines without your feeling it. This is a blessing from Allah, Exalted is He, for there is no sensation within the abdominal cavity, and so it passes through without being felt.
Then Allah Most High created glands that secrete substances which soften this food and make it lighter so that it may pass down. Allah, Exalted is He, also made channels through which the water passes, and vessels extending through these intestines that distribute the blood throughout the body. Where do they convey it? They convey it to the heart.
Then this small heart, in an instant, purifies this blood and sends it out to the other side of the heart, cleansed. It then circulates through the body and returns to the heart a second time, where it is purified and refined, then sent back out clean—and so it continues.
All of this takes place while we are unaware of it. The heart produces beats: each beat takes in something, and the next beat sends out some of this blood. Yet this blood reaches every part of the body through fine capillaries, arranged and ordered according to Allah’s wisdom and power. And even with all this: