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The American Heart Association states the normal resting adult human heart rate is 60–100 bpm. An ultra-trained athlete would have a resting heart rate of 37–38 bpm. [3] Tachycardia is a high heart rate, defined as above 100 bpm at rest. [4] Bradycardia is a low heart rate, defined as below 60 bpm at rest.
In cardiovascular physiology, stroke volume (SV) is the volume of blood pumped from the ventricle per beat. Stroke volume is calculated using measurements of ventricle volumes from an echocardiogram and subtracting the volume of the blood in the ventricle at the end of a beat (called end-systolic volume [note 1]) from the volume of blood just prior to the beat (called end-diastolic volume).
Surface roughness, often shortened to roughness, is a component of surface finish (surface texture). It is quantified by the deviations in the direction of the normal vector of a real surface from its ideal form. If these deviations are large, the surface is rough; if they are small, the surface is smooth. In surface metrology, roughness is ...
T'ruah. T'ruah: The Rabbinic Call for Human Rights, often referred to as T'ruah, is a left-wing [5] nonprofit organization of rabbis who act on the Jewish imperative to respect and protect the human rights of all people in North America, Israel, and the Palestinian Territories. Approximately 2,000 American and Canadian rabbis and cantors, very ...
Black Watch (Government 1) The Black Watch (Royal Highland Regiment) of Canada is a reserve infantry regiment in 34 Canadian Brigade Group, 2nd Canadian Division, of the Canadian Army. The regiment is located at 2067, rue Bleury (2067, Bleury Street) in Montreal, Quebec, Canada, and is currently commanded by Lieutenant-Colonel R.M. Unger, MMM,CD.
Muzzle of a Rheinmetall 120 mm L/55 tank gun on a Spanish Leopard 2E. The Rheinmetall Rh-120 is a 120 mm smoothbore tank gun designed and produced in former West Germany by the Rheinmetall Waffe Munition GmbH company. It was developed in response to Soviet advances in armour technology and development of new armoured threats.
The Kh-55 (Russian: Х -55[note 1], also known as RKV-500; NATO reporting name: AS-15 "Kent") is a Soviet /Russian subsonic air-launched cruise missile, designed by MKB Raduga in the 1970s. It has a range of up to 2,500 km (1,350 nmi) and can carry nuclear warheads. Kh-55 is launched exclusively from bomber aircraft and has spawned a number of ...
Right-hand rule. In mathematics and physics, the right-hand rule is a convention and a mnemonic, utilized to define the orientation of axes in three-dimensional space and to determine the direction of the cross product of two vectors, as well as to establish the direction of the force on a current-carrying conductor in a magnetic field.