OBJECTIVE LIFE SCIENCE
DIVERSITY AMONG LIFE FORMS
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
Four chamber
|
|
|
Air system
|
|
|
Closed
|
|
|
Underwater
|
Detailed explanation-1: -What type of circulatory system do humans have? Humans have a closed circulatory system. The blood is enclosed in the vessels and the heart while circulating. The blood travels through arteries and veins and carries important molecules throughout the body.
Detailed explanation-2: -CLOSED CIRCULATORY SYSTEM: The blood is pumped by the heart and circulated through closed network of blood vessels. The blood does not come in direct contact with the tissue cells. Blood capillaries are present.
Detailed explanation-3: -Single and double circulation are types of closed circulatory systems.
Detailed explanation-4: -For humans, a closed circulatory system is more efficient at delivering blood and nutrients. This system creates pressure, enabling the blood to travel farther and deliver more oxygen. Animals with closed circulatory systems generally have a higher metabolism than animals with open circulatory systems.