Question

What are circulating pathways?​

Answer 1

$\huge{\sf{\blue{\underline{Question}}}}$

What are circulating pathways?

$\huge{\sf{\pink{\underline{Answer}}}}$

Circulating pathways:-

The circulatory patterns are of two types:-

• Open

• Closed

1)Open type:-

In this type , blood flows from the heart into the arteries.The arteries open into large spaces called sinuses . From the sinuses the blood is carried by the veins to the heart.There are no interconnecting vessels, the capillaries , between the arteries and veins.

As the circulatory fluid comes out of the vessels and freely flows in the body spaces this type of circulatory system is called Open type. It is found in leeches , arthropods , molluscs, echindoerms and ascidians.

2)Closed type:-

In this type blood flow through blood vessels .The blood flows from the arteries to the veins theight small blood vessels called capillaries.

Closed type of blood vascular system is found in the annelids, cephalopods among the no-chordates , cephalochordates and all the vertebrates among chordates.

Answer 2

Answer:

#INNOCENTDEVIL☠

Explanation:

The blood vessels of the body are functionally divided into two distinctive circuits: pulmonary circuit and systemic circuit. The left ventricle is the pump for the systemic circuit, which provides the blood supply for the tissue cells of the body. ...