Circulatory system quiz Flashcards
The heart is made up of specialized muscle tissue called ________________
Myocardium
Your blood is ___% solid and ____% liquid
45 and 55
What two bones protect the heart from damage the ________ and _________
Ribs and serum
The heart beats _____ billion times in a lifetime
2.5
On the average, how many times would your heart beta in nine days
900,000
How much does your heart weigh ____________
1 pound
_________ is the liquid part of the blood
Plasma
Arteries brach into thinner, smaller tubes called _________________
Arterioles
The ______ is a strong muscular pump that is part of the circulatory system
Heart
The circulatory system consists of three parts: The heart, ________ and _____________
Blood and Blood vessels
________ are blood vessels that carry blood toward the heart
Veins
The _______ is the chamber of the heart that receives blood
Atrium
With each heartbeat, blood is pushes away from the heart through blood vessels called _______
Arties
The circulation of blood between the heart and lungs is called _________
Pulmonary circulatory
The ______ is the lower chamber of the heart that pumps blood to other parts of the body
Ventricle
The thin membrane that surrounds and protects the heart is called the ___________
Pericardium
Capillaries connect ______ with _______
Arteries with veins
The largest artery in the body is called the ______
Aorta
The soils materials in blood are Red blood cells, ___________, and _________
White blood cells and platelets
How many chambers are located in the heart ________
Four
The function of the circulatory system is to carry __________ and _________ to the cells, and take away __________ and ______ away from the cells
oxygen, nutrients, carbon dioxide, and waste
What is the correct name for your breastbone ________
Serum
The smallest blood vessels in the body are called ________
Capillaries
The heart is the size your ______
Fist
What might swollen lymph nodes indicate?
infection or viruses
