They travel dissolved in the blood plasma.
Nutrients are carried by the blood.
It is absorbed into the blood through the vili in the small intestine.
It is absorbed into the blood through the vili in the small intestine
Fats are not digested until they reach the small intestine.
Fats are not digested until they reach the small intestine.
by train
The heart pumps blood through the circulatory system, supplying oxygen and nutrients to cells and removing waste products. The atria receive blood returning to the heart, while the ventricles pump blood out to the rest of the body. This continuous flow ensures that all cells receive the necessary nutrients and oxygen for their function.
endocrine glands secrete hormones into the bloodstream and these hormones reach cells and impact these cells.
With the blood stream
If you were to unravel all the DNA in your cells end-to-end, it would stretch about 10 billion miles, not enough to reach the moon even once. It would, however, be long enough to wrap around the Earth about 400 times.
By the cells in your blood and they dissolve when they reach the large intestine.
Yes, some cells are larger than others. The size of a cell can vary depending on its function and type. For example, eggs are some of the largest cells in the human body, while red blood cells are much smaller.