blood travels away from the heart through arteries and blood travels to the heart through the veins
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Veins are muscular, arteries are not.
Veins are designed to collapse (when empty), arteries are not.
Arteriosclerosis is any hardening (stiffening) of artery walls. One of the ways this can happen is through atherosclerosis, which is when an atheroma (a build-up of dead RBCs, fibres and platelets) begins to accumulate within an artery wall and may stick out into the lumen or even break through the endothelium. This makes the artery less flexible.So someone with arteriosclerosis does not necessarily have atherosclerosis, but someone with atherosclerosis must have arteriosclerosis, as their arteries have hardened.
1.It was an oligarchy not a democracy
The actual "pumping system" of a worm can be mistaken as a heart, but it has no chambers. They are actually aeortic arches that pump the blood down the ventral side of the worm and it returns on the dorsal vessel.
You can check the pulse in the carotid (neck) or brachial (upper arm) arteries for CPR pulse checks. Other possible locations for checking a pulse are Radial (wrist), Popliteal artery (knee) posterior tibial or dorsalis pedis (foot).
The different ways of drawing maps are A. Scales B. Projections C. Legends D. Mercators