Heart Parts
What is the largest/main artery of the circulatory system?
Aorta
Name ALL the blood types.
A+/A-; B+/B-; AB+/AB-; O+/O-
What are the three main types of blood vessels?
Arteries, veins, and capillaries
What is the primary purpose of the circulatory system?
To move/carry oxygen (throughout the body through the heart and blood)
Name the four chambers of the heart
Left/right atrium; left/right ventricle
List the four parts of blood
Red blood cells; white blood cells; platelets; plasma
What is the difference between veins and arteries?
Veins carry (deoxygenated) blood to the heart; Arteries carry (oxygenated) blood away from the heart
What is created when multiple CELLS work together to perform a single function?
Tissues
What separates the left and right side of the heart?
The septum
Which part of blood has the job of fighting invaders, such as bacteria and viruses?
White blood cells
True or False? Capillaries are the largest type of blood vessels.
False! They are the smallest!
What is created when multiple TISSUES work together to perform a single function?
Organs
The veins and arteries that carry blood to/from the lungs are called...
pulmonary arteries/veins
Which part of blood carries oxygen to the cells and sends carbon dioxide (CO2) out?
Red blood cells
Are arteries rich with oxygenated blood or deoxygenated blood?
Oxygenated! They are rich with freshly oxygenated blood, sent AWAY from your heart to your body.
What is created when multiple ORGANS work together to perform a single function?
Organ system
The sac that surrounds the heart is called the...
pericardium
What part of blood allows blood to flow through the vessels?
Plasma
Are veins thinner or wider than arteries?
They are thinner!
Why does your heart beat faster when you exercise?
Your body (cells) needs more oxygen and to get CO2 out, so blood needs to be sent through your body more quickly - making your heart work harder