Circulatory System

Front

Which adaptation is a feature of double circulation?

Back

Separate pulmonary and systemic circuits

Front

Which organism has an open circulatory system?

Back

Cockroach

Front

The closed circulatory system first appeared in:

Back

Annelids

Front

In the evolution of the vertebrate heart, two-chambered hearts are found in:

Back

Fish

Front

Platelets mainly function in:

Back

Blood clotting

Front

The process that causes a heart cell to contract is known as?

Back

Depolarization

Front

When a heart muscle cell goes back into its negatively charged state, or in other words, when it relaxes, this is known as?

Back

Repolarization

Front

Which sequence correctly describes the heart’s electrical and mechanical activity?

Back

Depolarization → Systole - Repolarization → Diastole

Front

Which part of the electrical conduction system is located in the upper part of the right atrium and is responsible for atrial depolarization?

Back

SA node

Front

Once electrical signals pass through the Bundle of His (AV bundle), they next travel to?

Back

Bundle branches