Answer:
The respiratory system brings oxygen unto the lungs, while the circulatory system delivers oxygen throughout the body.
Explanation:
Answer:
Usually contains a large amount of a matrix.
True
All somatic cells have same genes but the genes whose product is not needed are turned off. Some genes are expressed constitutively and some genes are turned off and on depending upon the requirement of proteins.
I would think a biped cause that is what we call a 2 legged animal