This part of the blood carries oxygen to all parts of the body.
Red blood cells.
What part of the heart is number 6?
Left ventricle.
What part of the heart is number 1?
Vena cava.
What types of blood vessel takes blood TO the heart?
Veins.
This part of the blood contains nutrients, proteins, hormones, and waste products.
Plasma.
What part of the heart is number 2?
Right atrium.
What part of the heart is number 3?
Pulmonary artery.
What organ is at the center of the circulatory system?
Heart.
What part of the heart is number 8?
Left atrium.
What part of the heart is number 4?
Pulmonary vein.
What can a low resting heart rate indicate?
A high level of fitness.
This part of the blood helps the body fight germs.
White blood cells.
What part of the heart is number 5?
Aorta.
How many chambers does the heart have?
4
This part of the blood helps blood clot.
Platelets.
What part of the heart is number 7?
Right ventricle.
What type of blood vessel takes blood AWAY from the heart?
Arteries.