It puts a strain on the heart because of all the extra miles of blood vessels it has to pump through.
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The circulatory system is not a specific color as it consists of various components like blood vessels, blood, and the heart. Blood is red when it is oxygenated and appears blue when it is deoxygenated, but the overall color of the circulatory system as a whole is not a fixed color.
Poor nutrition.
Circulatory system equals blood. People with poor circulation lose limbs because the tissue can't get oxygen and other essential nurtients and lymph for regulation. So, yes. Very nessesary. People die without hearts!
When a person has poor nutrition they open themselves up to Vitamin deficiencies, which effect the eyes, bones, hair, immune system, skin, digestion, body cells, liver, and the list goes on! Your bodies ability to heal is effected if you don't have the necessary materials to heal, chemical and hormonal imbalances can occur. These things all put a person at higher health risk. If your body doesn't have the right nutrients or energy sources, your system will fail.
Malnutrition
valves keep blood from flowing back into the heart and help pump oxygen-poor blood back to the heart.
It works with all other systems . All systems in body are coordinated . The digestive system provides energy. The skeletal system protects it. Nervous system sends the signals. Circulatory system takes the oxygen rich blood and takes the oxygen poor blood back. The muscular system moves it. The immune system fights against diseases and protects it from sicknesses.
Poor nutrition.
Malnutrition
Poor Hygiene, poor nutrition, poor physical activity.
In the circulatory system, deoxygenated blood is found on the right side of the heart, in the pulmonary artery, and in the systemic veins. The pulmonary artery brings low-oxygen blood to the lungs. The systemic vein carry deoxygenated blood from the body tissues to the right atrium.