Cardiovascular System

Protective sac around the heart

• pleural cavity

• pericardium

• bubble wrap

• water sac

Bottom chambers of the heart

• atria

• ventricles

• pericardium

• valves

Keeps blood from flowing backwards

• valves

• nodes

• chambers

• vessels

Any sound the heart makes besides lub-dub is called a

• heart attack

• echo

• murmur

• twitch

What is the correct path through the circulatory system which describes the passage of a blood clot originating in the left leg?

• Vena cava → left atrium → left ventricle → lungs → right atrium → right ventricle → aorta

• Vena cava → right atrium → right ventricle → lungs → left atrium → left ventricle → aorta

• Vena cava → left atrium → right atrium → lungs → left ventricle → right ventricle → aorta

• Vena cava → right atrium → left atrium → lungs → right ventricle → left ventricle → aorta

Which of the following is a function of the circulatory system?

• Regulating body temperature

• Producing digestive enzymes

• Synthesizing vitamin D

• Controlling muscle movements

Answer explanation

The circulatory system regulates body temperature by distributing heat throughout the body, making it the correct function out of the given choices.

Blockage of any arteries in the heart may cause a

• heart attack

• stroke

• seizure

• headache

Which is NOT a part of the cardiovascular system?

• heart

• arteries

• lymph nodes

• capillaries

• veins

Top chambers of the heart

• atria

• ventricles

• pericardium

• valves

Natural pace maker in the heart

• pace maker

• systemic maker

• pulmonary node

• sinoatrial node

Tags

NGSS.HS-LS1-3