Answer:
As far as I remember, the answer should be: Elliptical galaxies have no spiral arms.
Explanation:
Hope am right and hope this helps
plz give me brainlist :)
Answer:
2, 6 are the one you should select
Explanation:
Answer:
Closed the first one
Explanation:
In amphibians, reptiles, birds, and mammals, blood flow is directed in two circuits: one through the lungs and back to the heart, which is called pulmonary circulation, and the other throughout the rest of the body and its organs including the brain (systemic circulation).
most mammals, have closed cardiovascular systems. The two main circulation pathways in invertebrates are the single and double circulation pathways.
C. Chromosomes because they are need to have the cell funtion.