EVERYDAY SCIENCE

SCIENCE

ZOOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
An open circulatory system means that ____
A
there are no blood vessels present
B
blood is not in vessels throughout the body
C
the blood does not bathe the organs
D
there is not heart
Explanation: 

Detailed explanation-1: -What is open and closed circulation? In open circulation, the blood is not enclosed in the blood vessels and is pumped into a cavity called hemocoel. On the contrary, in closed circulation, the blood is pumped through the vessels separate from the interstitial fluid of the body.

Detailed explanation-2: -In an open circulatory system, the blood is not enclosed in the blood vessels, but is pumped into a cavity called a hemocoel. The blood is called hemolymph because it mixes with the interstitial fluid.

Detailed explanation-3: -The answer is (d) In an open circulatory system, it is easier to deliver blood to specific tissues in times of high metabolic need.

There is 1 question to complete.