Question

Make the connection: your heart is dependent on oxygen from your respiratory system, and it is delivered by the (1 point)
O muscular system.
respiratory system
O circulatory system.
O nervous system.

Answer 1

Circulatory system
Oxygen is picked up by red blood cells. Which delivers the oxygen to the body and heart through the arteries and capillaries.

Answer 2

Oxygen from the respiratory system is delivered by the circulatory system

WHAT IS CIRCULATORY SYSTEM:

• Circulatory system of the body comprises of the heart, blood and blood vessels. It functions majorly for the transportation or circulation of materials around the body.

• The heart is the organ of the circulatory system that disperses blood throughout the body. The blood is a carrier tissue that conveys nutrients, oxygen etc. throughout the body. The blood vessels are the channels through which blood moves in the body e.g veins, arteries etc.

• As stated in this question, oxygen is a major requirement for the heart to circulate oxygenated blood. Oxygen comes into the body via the lungs, which is a part of the respiratory system.

• This oxygen dissolves in blood and is transported to organs and cells by the circulatory system.

Hence, oxygen from the respiratory system is delivered by the circulatory system.

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