Blood pressure
What is a normal blood pressure reading?
120/80
What are the 4 parts of the blood?
Plasma, white blood cells, platelets, red blood cells
The circulatory system is like the ______________ system of the body.
transport
The __________, blood vessels, and __________ are part of the circulatory system and are responsible for delivering oxygen to the body.
heart, blood
How does the circulatory system work with the excretory system to help maintain homeostasis?
The excretory system works works with the circulatory system to help remove carbon dioxide and waste.
What is considered a high blood pressure reading?
Anything over 138
What is the role of plasma in the blood?
Plasma is the liquid part of the blood which contains water, salts, fats, proteins and nutrients. Its role is to carry nutrients, hormones, and proteins to the parts of the body that need it.
The heart is a __________, cone-shaped muscle which is about the size of a _________.
hollow, fist
Where is the heart located in the chest?
The heart is located in the thoracic cavity, slightly to the left of the lungs.
How does the circulatory system work with digestive system to help maintain homeostasis?
The digestive system breaks down food in the body and these nutrients are transported throughout the body by the blood in the circulatory system.
Does stress cause hypertension?
No, it does not!
What do the white blood cells do in the body?
The white blood cells help your immune system to fight disease and infection.
Valves remain ________________________as blood is pumped through the body, and held in place by the _________________ ________________.
open, chordae tendinae (heart strings)
What are 3 points in the body where a pulse can be felt?
Carrotid, femoral, radial
How does deoxygenated blood become oxygenated?
Blood enters the right atrium and passes through the right ventricle. The right ventricle pumps the blood to the lungs where it becomes oxygenated. The oxygenated blood is brought back to the heart by the pulmonary veins which enter the left atrium
What are 3 causes of hypertension?
lack of exercise and/or sleep
poor diet
family history
What do the platelets do?
Platelets are responsible for helping your body to form clots so you can stop bleeding.
Flaps of connective tissue located between the atria and ventricles are called:
valves
How thick are the capillaries?
What kind of blood does the right ventricle pump and what color would that be on an EKG?
What kind of blood does the left ventricle pump and what color would that be on an EKG?
deoxygenated, blue
oxygenated blood, red
What is the medical term for high blood pressure?
Hypertension
What are the red blood cells responsible for?
Red blood cells are responsible for transporting oxygenated blood to the body and for delivering deoxygenated blood to the lungs.
This substance is responsible for filling the space between the layers of the heart and the pericardium:
blood
How does the circulatory system work with the respiratory system to help maintain homeostasis in the body?
The lungs support oxygenate the blood and release carbon dioxide, while the circulatory system moves oxygenated blood to the rest of the body and brings deoxygenated blood back to the lungs. This maintains constant oxygen flow in the body.
What is the purpose of the circulatory system?
The main function of the circulatory system is to transport oxygen and nutrients throughout the body to and from the cells.