Question

Which one of the following statements is correct about the human circulatory system first option Bullet transport only Oxygen and not carbon dioxide second option blood hurt has five Chambers adoption valves ensure that the blood does not flow backwards third fourth option A both oxygen rich and oxygen deficient tablet gets mixed in the heart. ​

Answer 1

The valves ensure that the blood does not flow backwards.

Option (C) is correct.

Explanation:

• The human circulatory system consists of many systems that are associated with each other.
• These systems are arteries, veins, heart, and vessels. There are further two types of vessels which are known as coronary vessel and portal vessel.
• The human circulatory system regulates the flow of blood in the body.
• Blood flows from the heart to lungs and then back to heat in a cycle.

Answer 2

Answer:

The valves ensure that the blood does not flow backwards.

The valves ensure that the blood does not flow backwards.Option (C) is correct.

The human circulatory system consists of many systems that are associated with each other.

These systems are arteries, veins, heart, and vessels. There are further two types of vessels which are known as coronary vessel and portal vessel.

The human circulatory system regulates the flow of blood in the body.

Blood flows from the heart to lungs and then back to heat in a cycle.

Hope it helps you...