Question

In a four-chambered heart, no mixing of oxygenated and deoxygenated blood takes place. Name two groups of animals in the body of which mixed blood flows.

Answer 1

amphibans and
reptiles

Answer 2

The four chambered heart, the two upper and two lower with no mixing of oxygenated and deoxygenated blood takes place, but for three chambered the mixing occurs.

Explanation :

• The heart of reptiles and amphibians are divided in to three chambers.
• The heart of human and avian have four chambers.
• The three chambered heart has two atrium and one ventricles which makes the mixing of both oxygenated and oxygenated blood.
• In case of four chambered heart, the mixing of both oxygenated and oxygenated blood is avoid due to systematic flow of blood from atrium to respective  ventricles.
• Hence the number of chambers makes the difference in blood criteria.

To learn more...

1. In a 4 chambered heart no mixing of oxygenated and deoxygenated blood takes place? name two groups of animal in the body of which mixed blood is flows?​

brainly.in/question/14612611

2. What is the significance of mammals having a four chambered heart?

brainly.in/question/2466581