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Circulatory System
Question | Answer |
---|---|
Why is our circulatory system important to us? | It transports oxygen, nutrients, hormones, and carbon dioxide throughout the body. |
Why are our veins important? | They transport blood back to the heart. |
Why are our arteries important to us? | They transport blood away from our heart. |
Why are our capillaries important to us? | They surround all of our cells and allow for substances to be exchanged between the blood and the cells. |
This organ pumps blood through our blood vessels. | Heart |
Saturated fats in the diet can lead to | clogged arteries (atherosclerosis), a heart attack and stroke. |
Nutrients are broken down and absorbed from this system into the circulatory system | Digestive System |
The heart contains | 4 chambers |
This chamber receives oxygenated blood from the lungs | Left Atrium |
This chamber receives deoxygenated blood from the body cells | Right Atrium |
This chamber pumps oxygenated blood to all the body cells | Left Ventricle |
This is the thickest artery in the body and leaves the left ventricle | aorta |
These blood vessels have the thickest walls | arteries |
These four chambers of the heart consist of | Two Atria and Two Ventricle |
What kind of muscle is the heart made of | cardiac muscle that is involuntary |
The general pathway of blood in the body starting at the right side of the heart is | right side of heart-->lungs-->left side of the heart-->body cells -->back to right side of heart |
Platelets help to | clot the blood and prevent a person from bleeding to death and losing too much blood |
White blood cells | fight off harmful bacteria and viruses |
Red blood cells | transport oxygen and carbon dioxide |
The iron-pigment found on red blood cells is called | hemoglobin |
No consuming enough iron in the diet can lead to | anemia (low hemoglobin and red blood cells) |
This system provides the circulatory system with oxygen and removes carbon dioxide from the body | respiratory system (lungs) |
Pulse points are located on the | wrist and neck (where a major artery is close to the skin's surface) |