NEET BIOLOGY

Detailed explanation-1: -In a closed circulatory system, blood is contained inside blood vessels and circulates unidirectionally from the heart around the systemic circulatory route, then returns to the heart again.

Detailed explanation-2: -Blood can flow through vessels inside the body, such as arteries and veins. This type of circulation is called closed circulation. Open circulation happens when there are no vessels to contain the blood, and it flows freely through the cavities of the body. Also Read: Human Circulatory System.

Detailed explanation-3: -The systemic circulation is a circuit loop that delivers oxygenated blood from the left heart to the rest of the body, and returns deoxygenated blood back to the right heart via large veins known as the venae cavae. The systemic circulation can also be defined as two parts – a macrocirculation and a microcirculation.

Detailed explanation-4: -Blood flows inside the body through vessels such as arteries and veins. This type of circulation is called Closed circulation. Open circulation takes place in the absence of vessels to contain the blood and it flows freely through the cavities of the body.