THORAX ABDOMEN AND PELVIS

MEDICAL

RECTUM AND ANUS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The type of human circulatory system that only reaches the lungs is called the circulatory system____
A
Breathing
B
Small
C
Closed
D
Big
Explanation: 

Detailed explanation-1: -The pulmonary circuit: This circuit carries blood without oxygen from the heart to the lungs. The pulmonary veins return oxygenated blood to the heart. The systemic circuit: In this circuit, blood with oxygen, nutrients and hormones travels from the heart to the rest of the body.

Detailed explanation-2: -While humans, as well as other vertebrates, have a closed blood circulatory system (meaning that the blood never leaves the network of arteries, veins and capillaries), some invertebrate groups have an open circulatory system containing a heart but limited blood vessels.

Detailed explanation-3: -Key Points. The cardiovascular system is composed of two circulatory paths: pulmonary circulation, the circuit through the lungs where blood is oxygenated, and systemic circulation, the circuit through the rest of the body to provide oxygenated blood.

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