b
I am not that sure but I think endocrine cell don't contain blood vessels
It doesn't necessarily mean not caring about animals at all, but believing that humans are the most important creation on earth compared to animals and the idea of God. People with this view may not be distressed so much by the extinction of certain animal species as long as their extinction did not obviously impact mankind.
Answer: Homeostasis is a resistance to change.
Explanation: There are many other examples of homeostasis in biology, like the pH of blood and the concentration of ATP in a cell.
<span>The energy from the sun is absorbed by the chlorophyll of plants leafs and then is converted in glucose by a process called photosynthesis. After we eat and digest plants, glucose in our blood is transported through all muscles.</span>
