It's include in the topic of digestive system when when food is travel's from mouth to small intestine there's S intestine get nutrition from the food and sent it to bllod from small vessel's present in it.
No. Quatro cientos grads.
A natural system is formed when components are grouped together so as to perform a more specific function or use. In addition, this system is bound to exist without any human interference. Biological and non-biological components work hand-in-hand as they do nature processes.
Answer:
b
i remember this question from when i had a test to take.
Answer: arrange systematically in groups; separate according to type, class, etc.
Explanation:
i hooked this up btw
