Blood
White Blood Cells
The natural defence system in the body. They break down intrusive substances.
The heart does what?
The heart pumps blood through the body.
Veins have what to prevent backwash?
Valves.
Heart rate can be increased by this.
What are qhisical exertion, stress, and your fight or flight response?
Oxygen is picked up by the blood here.
What are lungs?
Red Blood Cells
Red blood cells transport the nutrient the body needs around, getting them to each cell.
The heart is in this system
Cardiovascular
This is were veins and arteries meet.
What are capillaries?
Blood pressure has what change with age?
What is increase in blood pressure?
Oxygen exchange happens here.
What are capillaries?
Plasma
Plasma is the material that the red and white blood cells along with platelets.
Ventricle placement
Ventricles are on the lower side of the heart, there are 2 of them, one on each side.
Veins carry blood
Toward the heart
Heart rate decreases with?
What is carbon dioxide?
Platelets
Platelets float in your blood and cause your blood to clot.
Ventricles pump blood to?
The lungs and the rest of the body, in separate functions though.
Cortery Arteries and veins
Bring oxygen and nutrients to the muscle part of the heart and supply the cells with the resources that they require to function. The veins bring the blood from the outside of the heart to the chambers.
Why is blood pressure important?
So your blood is able to be pushed through all the arteries and capillaries.
The curculatory system transports nutrients from these 2 systems.
What are the digestive and respiratory systems?
This in red blood cells gives them their red color and can be found in its basket. It also attracts oxygen.
What is hemoglobin?
Why are vein walls less thick than artery walls?
Vein walls are thinner because they have a lower blood pressure due to their distance from the heart.
Why can you feel your pulse?
Because the arteries and veins are being pushed outward by the blood pressure.
Blood Nutrient Exchange
Blood exchanges nutrients and oxygen by simple diffusion carrying them from an area of high concentration to an area of low concentration.