Blood
What do white blood cells do?
White blood cells fight off germs and infections.
What do pulmonary and cardio relate to?
Pulmonary relates to the lungs and cardio relates to the heart.
What are arteries?
Blood vessels that move oxygenated blood away from the heart.
What is blood pressure?
How hard the heart pumps blood through the heart.
The blood in the body is transported by what?
Blood vessels
What do valves in the heart do?
Valves help separate parts of the heart and only open when blood needs to enter a section.
What are the blood vessels that bring deoxygenated blood back to the heart?
Veins
What is the amount of times the heart beats per minute called?
Heart rate
What is the waste product that is picked up from cells and where does it go?
Carbon Dioxide and it is taken to the lungs. In the lungs, the Carbon Dioxide leaves the body through exhaling.
Why is the body constantly making new blood cells?
Hemoglobin in red blood cells starts to break down. This means it can't carry oxygen to cells anymore.
What are all of the ventricles and atriums of the heart called?
Right atrium, right ventricle, left atrium, and left ventricle
What are capillaries?
Capillaries are blood vessels that connect veins, arteries, and body cells.
Why would a person have high blood pressure?
The heart needs to beat harder for blood to get to all parts of the body.
Where does oxygenated blood go?
Drops off oxygen to cells in the body.
What main elements are taken to cells by blood?
Gases, nutrients, and hormones
Why is the heart muscle thicker at the bottom of the heart and at the top?
That is where the blood is pushed through the heart and body.
What does the superior and inferior vena cava do?
Large veins that bring deoxygenated blood back to the heart.
What would be some causes of high blood pressure?
Poor diet, lack of physical activity, and old age
What is the double loop system?
When blood moves to the lungs and back to the heart. Then to the body and back to the heart.
What are the four main components of blood?
Red blood cells, white blood cells, platelets, and Plasma.
Where does the blood go once it has picked up oxygen from the lungs and is going back to the heart?
Left atrium
Why are veins and arteries thicker near the heart?
They need to be able to hold and handle more blood.
What could cause an increase in heart rate?
Exercise, anxiety, and stress
Oxygen and nutrients move to cells by what?
Diffusion