Blood
What is blood pressure?
The force of blood against the walls of the blood vessels
4
A vessel that carries blood away from the heart
Artery
What is the largest artery in the body?
The aorta
What liquid part of the blood carries nutrients, hormones, and waste?
Plasma
What are the four main components of blood?
Red blood cells, white blood cells, platelets, and plasma.
What is the name of the cycle where the heart contracts and relaxes?
Cardiac cycle
In which blood vessel does gas/nutrient exchange occur?
a) capillaries
b) veins
c) arteries
a) capillaries
What are the two upper chambers of the heart called?
Atria
What is a normal blood pressure reading?
Around 120/80 mmHg
Which type of blood cell protects against infection and disease?
White blood cell
What is caused by the expansion and contraction of artery walls as blood is pumped through the body? (also known as heart rate)
Pulse
Which ventricle pumps blood to the whole body?
-left ventricle
-right ventricle
Left ventricle
Which artery provides the heart with the oxygen and nutrients it needs?
a) aorta
b) coronary artery
c) pulmonary artery
b) coronary artery
What group of cells send out signals so the heart keeps pumping?
The answer starts with the letter "P"
Pacemaker cells
What is the function of platelets in the blood?
They help with clotting and stop bleeding.
What is the wall of the heart which separates the left and right sides called?
The septum
Which blood vessels have valves to prevent backflow?
Veins
True of false? Both arteries and veins are made up of three layers.
True
Which number in blood pressure represents when the heart contracts?
Systolic
What is the name of a protein containing iron that facilitates the transportation of oxygen in red blood cells?
Hemoglobin
What is the normal range of resting heart rate for an adult?
60-100 BPM
This is a vein that carries oxygen rich blood from your lungs to your heart.
a) pulmonary vein
b) vena cava
c) aorta
a) pulmonary vein
Which type of blood vessel has the thickest walls?
Arteries
What condition occurs when blood pressure is dangerously high for a long time?
Hypertension