<span>Taking example on himself, Douglas states that education and environment are the factor for success, and that African-Americans are no more or less to be found possessing the right or wrong disposition as far as intelligence.</span>
Answer:
9,021,739
Explanation:
The closes answer I got to.
Answer:
D
Explanation:
The organelle that modifies proteins is the golgi body.
Answer: Option D) there are no holes for blood to enter or leave the system
The human cardiovascular system is considered closed because there are no holes for blood to enter or leave the system
Explanation:
The closed circulatory system are made up of blood vessels called arteries from the heart that branch into small units called capillaries but eventually join up with other blood vessels called veins that are connected to the heart. So, blood is always confined to circulate within the blood vessels and the heart as there are no holes for blood to enter or leave the system
Thus, the human cardiovascular system is considered closed
