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Cardiovascualr Sys
7th grade cardiovascualr system vocabulary
Question | Answer |
---|---|
Blood vessels that carry blood away from the heart to other parts of the body | arteries |
The lower chamber of each side of the human heart | ventricle |
Type of blood circulation between the heart and the lungs | pulmonary |
Have walls only one cell thick so that nutrients, oxygen, and waste materials can transfer back and forth from the tissues to to the blood | capillaries |
Part of blood that fights infection | white blood cells |
Arteries, capillaries, and veins | blood vessels |
A muscle that produces contractions to push blood through the body | heart |
The upper chamber of each side of the human heart | atrium |
Blood vessels that carry blood to the heart itself | coronary arteries |
Rhythmic change in blood pressure that can be felt at various locations of the body as the arteries expand and then relax | pulse |
Blood vessels that carry blood back to the heart from other parts of the body | veins |
Composed of three parts: the heart, blood vessels, and blood | cardiovascular system |
The force at which blood moves through the arteries | blood pressure |
Place where blood cells are made | bone marrow |
Part of blood that delivers oxygen to cells | red blood cells |
Type of blood circulation between the heart and the rest of the body | systemic |
Group of heart cells that sends out signals causing the heart to contract | pacemaker |
A connective tissue made up of cells, cell parts, and plasma | blood |
Prevent blood from flowing backward in veins | valves |
Cell fragments that clump together to form a plug that helps reduce blood loss | platelets |
Largest artery in the body | aorta |
The fluid part of blood | plasma |