Blood
Which two places do deoxygenated blood enter the heart through?
The superior and inferior vena cavas.
What has multiple of it inside the heart and prevents blood from going backwards?
Valves.
Where do veins and arteries mix different components in between?
Capillaries.
Blood has to maintain ___________ by maintaining a constant pH, temperature, and osmotic pressure.
Homeostasis.
What does deoxygenated blood drop off for oxygen?
Carbon dioxide.
What are the 4 different components of blood?
Red blood cells, white blood cells, platelets, and plasma.
What are the 4 chambers inside the heart?
The left atrium, left ventricle, right atrium, and right ventricle.
If there was a blockage in a coronary artery, what would happen to you?
What is blood pressure?
Amount of pressure on artery walls each time your heart beats.
Which takes deoxygenated blood to the heart: veins or arteries?
Veins
What makes red blood cells red?
A protein called hemoglobin.
What are the 4 valves inside the heart?
The pulmonary valve, tricuspid valve, aortic valve, and mitral valve.
What are 2 big things that coronary arteries and veins do?
They send blood to capillaries and help carry blood to get oxygen.
Why is a low blood pressure bad for you?
Low blood pressure means that your heart isn't giving enough blood to the rest of your body.
Which takes oxygenated blood from the heart to the rest of the body: veins or arteries?
Arteries
What component of blood makes clots and prevent severe blood leakage?
Platelets.
If blood is entering the vena cava, which place would it go through first?
The right atrium
What is the difference between veins and arteries?
Veins take blood to the heart, while arteries take blood away from the heart.
What is generally considered a healthy blood pressure range?
A healthy blood pressure range is 60-80 diastolic and 90-120 systolic.
What is the name of the system that has blood go around the heart twice?
What is the watery thing that all blood cells float in?
Plasma.
What does the heart pump out for the rest of your body to use?
Blood.
What does the blood that these things carry contain?
Nutrients, oxygen, protein, water, etc.
High blood pressure gives you artery damage, which hurts blood movement and can causes several issues.
Nutrients are absorbed and moved through where?
Capillaries.