Pulse

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Pulse
Diagram of the rise and lower of blood from a pulse.
Organisms	Animalia*
Biological system	Circulatory system
Action	Involuntary
Method	Heart pumps blood using reciprocating method causing inconstant blood flow throughout the circulatory system that can be recognized. (See Cardiac cycle)
Frequency	60–100 per minute (humans)
Duration	0.6–1 second (humans)
Animalia with the exception of Porifera, Cnidaria, Ctenophora, Platyhelminthes, Bryozoan, Amphioxus.

In medicine, the pulse is the rhythmic throbbing of each artery in response to the cardiac cycle (heartbeat).^[1] The pulse may be palpated in any place that allows an artery to be compressed near the surface of the body, such as at the neck (carotid artery), wrist (radial artery or ulnar artery), at the groin (femoral artery), behind the knee (popliteal artery), near the ankle joint (posterior tibial artery), and on foot (dorsalis pedis artery).^[2][1] The pulse is most commonly measured at the wrist or neck.^[3] A sphygmograph is an instrument for measuring the pulse.^[4]