Blood
What are the 4 main components of blood?
Red blood cells, White blood cells, Plasma, and Platelets.
What is the heart?
The heart is the main structure of the circulatory system and it has a never-ending job of pumping blood through out the body.
What are the 3 types of blood vessels?
Arteries, Capillaries, and Veins
What is heart rate?
It is how many times your heart beats in a given time, usually a minute.
When blood enters the heart how does it pick up oxygen?
It goes into the lungs, drops carbon dioxide, and picks up oxygen then it goes back into the heart for it to be repumped into the body.
What does Plasma do in the blood?
What structures in the heart are where blood from the body goes in?
The two vena cavas which are the superior vena cava and the inferior vena cava
Where do arteries take blood?
Arteries take blood away from the heart and through the body.
What is blood pressure?
Blood pressure is the force with which the verticles of the heart contract.
How does the blood in the human body travel around the body to deliver nutrients?
Blood travels through a series of blood vessels like arteries, veins, and capillaries.
What do Platelets do?
Platelets are small cell fragments that clump together to form a clot when you get a cut. This is to stop too much blood from leaking out.
What are the structures in the heart that don't allow the backflow of blood in the heart?
The valves which help with not letting blood backflow in the heart.
Where do veins take blood
Veins take blood to the heart.
What causes high blood pressure?
High blood pressure can be caused by a lot of things like not exercising and eating unhealthy foods. But it can also be caused by family history.
Name the pathway blood will take up to the pulmonary veins. Do not include the valves.
Inferior Vena Cava or Superior Vena Cava to atrium to Right Ventricle then to the pulmonary veins.
What do white blood cells do?
This is the body's defense team and it fights off germs and infections by identifying and destroying them.
Where does blood in the heart exit?
The Aorta which takes oxygenated blood and pumps it into the body.
What are capillaries?
Capillaries are where veins and arteries meet and where nutrients are dropped of and waste picked up.
What would happen if we did not have blood pressure?
Blood would not reach parts of your body.
Name the pathway of blood from the pulmonary arteries. Do not include the valves.
Pulmonary arteries to pulmonary veins to the left atrium to the left ventricle to the aorta then out to the body.
What do red blood cells do?
These cells look red because of the protein hemoglobin which attracts and grabs oxygen from your lungs and delivers it to your body.
How does the heart pump blood?
It squeezes and contracts in a pumping motion.
Which blood vessel has thinner walls arteries or veins?
Veins have thinner walls.
What are two ways you can check your heart rate on your body?
You can check the heart rate of your wrist or the side of your throat.
What type of process does the human body use for the blood going into the heart and the lungs?
The Double Loop system.