Circulatory system class 10

Type of device that measures the electrical currents created by the SA and AV nodes?

• AED

• MRI

• ECG

• CAT Scan

Tags

NGSS.HS-PS2-5

Which choice below correctly identifies the layers of the heart from the most outer layer to the most inner layer?

• epicardium, myocardium, endocardium

• endocardium, myocardium, epicardium

• myocardium, endocardium, epicardium

• myocardium, epicardium, endocardium

Tags

NGSS.HS-LS1-2

The sac that surrounds and protects the heart?

• endocardium

• epicardium

• myocardium

• pericardium

Instrument used to measure blood pressure?

• AED

• ECG

• Sphygmomanometer

• ultrasound

Name part I.

• pericardium

• mediastinum

• septum

• unknownum

Name part M.

• Tricuspid valve

• Semilunar valve

• Bicuspid valve

• Mitral valve

A fish's heart has ___ chambers.

• 1

• 2

• 3

• 4

_______ function in the life-saving process of clotting blood.

• Phagocytes

• Leucocytes

• Erythrocytes

• Platelets

The blood in the vena cava is...

• oxygenated, returning to the heart

• deoxygenated, returning to the heart

• oxygenated, leaving the heart

• deoxygenated, leaving the heart

An open circulatory system is one that has:

• no valves present

• no heart to pump the fluid

• no vessels at all

• no distinction between blood and tissue fluid