Blood
Blood maintains constant PH. These are important factors of ______________.?
Homeostasis
What is an organ that is fist-sized in the circulatory system?
The heart
what transports blood throughout the body from the heart and then transports it back to the heart?
Veins and arteries
What is the definition of blood pressure?
The force with which ventricles of the heart contract is what creates blood pressure.
Why do we need oxygen?
To survive
Why do red blood cells look red?
They contain hemoglobin
Why is having a heart so important to your body?
It pumps blood through the body.
what happens if there was a blockage in the artery?
causes ischemia, and agnia
Why is having a certain amount of blood pressure is important?
Because without it stabilized, blood would not be able to reach all parts of your body.
What is deoxygenated blood?
Blood with no oxygen
What are the functions of the White blood cells?
They fight off infections
What is a doube loop system?
The continous process of pumping blood
What are some functions for coronary arteries?
To supply deoxygenated blood.
How can your heart rate change?
depends on diet, and your conditions physically.
What is Plasma?
A liquid substance that floats in the blood cells that carries nutrients.
True or False:Humans have a double loop system?
True
What happens when blood is forced through the arteries?
The artery becomes stretchy
What happens if you have low or high blood pressure?
It would create a heart stroke, leading to heart failure and you would die.
What happens to the blood when it is oxygenated?
It goes in through the heart and gets sent to other parts of the body.
The heart includes __________, _____________, ____________,and____________.?
Infrerior Vena Cava, Superior Vena Cava, Pulminary Arteries, and Capillarties
What do veins do?
Carry blood to the heart
When you go to a hospital, why do doctors put their hands on your pulse?
Because the pulse tells you your current heart rate, doctors determine whether you are severely sick.