D is the correct answer. -<span> A dense network of capillaries surrounds them.</span>
Capillaries are very small about 1 cell thick which makes them more suitable to exchanging gases rather than a vein or an artery.Capillaries allow the exchange of gases, nutrients and fluids by the process of diffusion between the body and the body tissues.
The human respiratory system<span> is a series of organs </span>responsible<span> for taking in oxygen and expelling carbon dioxide. The primary organs of the </span>respiratory system<span> are lungs, which carry out this exchange of gases as we breathe.</span>
Good question!
An insect's fitness can effect it's chances of being eaten by birds is their ability to escape once the predator (the bird) encounters the prey (the insect).
Answer: Yes, the law should be changed.
Explanation: It is unjust for doctors and scientists to profit off of a patients cells when they have not obtained permission. A patients cells belong to the patient while they are in the body and still should belong to them when they leave the body unless if they give their consent to the doctor. Not only should consent to use one’s cells be required but it they should also receive compensation since it is their cells. This would have been extremely beneficial to Henrietta’s family who didn’t have much to live on. The doctors who took her cells without asking made tons of money from the never-dying cells, so much that’s they gave lots of the cells away for free. Doctors should not be making thousands off of patients cells and the patient who the cells belong to not making any money.
