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Heart Contraction

Authored by S. Edwards

Science

12th Grade

NGSS covered

Used 7+ times

Heart Contraction
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13 questions

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1.

LABELLING QUESTION

1 min • 1 pt

Drag and drop each label to its correct position

c
f
d
e
b
a

Bundle of His

bundle branch

purkinge fibers

SA node

AV node

pulmonary artery

Tags

NGSS.MS-LS1-3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The diagram is of

contraction of the ventricles

contraction of the atria

relaxing of the entire heart

the valves that leave the atria

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main function of the electrical conduction system in the heart?

Filter and purify blood in the heart

Coordinate and regulate the heartbeat

Transport oxygen to the heart muscles

Generate electrical impulses for muscle contraction

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which part of the heart receives the electrical impulses for a contraction?

Pulmonary artery

Atria

Ventricles

SA node

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the specialized group of cells that acts as the natural pacemaker of the heart?

bundle of His

sinoatrial node

atria

ventricles

Tags

NGSS.HS-LS1-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the correct sequence of the electrical conduction system in the heart?

SA node -> AV node -> Bundle of His -> Purkinje fibers

AV node -> SA node -> Bundle of His -> Purkinje fibers

SA node -> AV node -> Purkinje fibers -> Bundle of His

SA node -> AV node -> Bundle of His -> Atria

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

What happens during the P segment on an electrocardiogram (ECG)?

contraction of the atria

contraction of the ventricles

relaxing of the atria

Relaxation of the ventricles

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