Biology Human Circulatory System 1 Online Exam Quiz
Biology Human Circulatory System 1 GK Quiz. Question and Answers related to Biology Human Circulatory System 1. MCQ (Multiple Choice Questions with answers about Biology Human Circulatory System 1
How many times does the heart beat in one minute?
Options
A : 40-60
B : 80-120
C : 70-75
D : 12-15
How many action potentials can the SAN generate per minute?
Options
A : 40-60
B : 80-120
C : 12-16
D : 70-75
Identify the part of the heart.
Options
A : Aorta
B : Inferior vena cava
C : Superior vena cava
D : Pulmonary vein
What is the opening between the right auricle and the right ventricle called?
Options
A : Aortic valve
B : Bicuspid valve
C : Tricuspid valve
D : Pulmonary valve
What is the atrio-ventricular septum made of?
Options
A : Cartilage
B : Fibrous tissue
C : Osteocytes
D : Mucous membrane
Which of these is not included in the vascular system?
Options
A : Heart
B : Blood vessels
C : Blood
D : Lungs
What is the location of the SAN?
Options
A : Left upper corner of right ventricle
B : Right upper corner of right ventricle
C : Right upper corner of left atrium
D : Right upper corner of right atrium
What is the covering of the heart known as?
Options
A : Meninges
B : Pleura
C : Pericardium
D : Peritoneum
What is the opening between the left atrium and the left ventricle known as?
Options
A : Mitral valve
B : Tricuspid valve
C : Aortic valve
D : Pulmonary valve
Which of these is known as the pacemaker of the heart?
Options
A : Purkinje fibers
B : AVN
C : SAN
D : Bundle of His
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