Circulatory system.

Front

Functions of blood: Transportation of oxygen and carbon dioxide, Regulation of body temperature, Defense against infection, Synthesis of vitamins.

Back

Synthesis of vitamins.

Front

What protects the body against blood loss?

Back

Clots formed by platelets and blood proteins.

Front

The two primary components of whole blood are:
- Serum and cells
- Plasma and cells
- Cells and dissolved proteins
- Blood cells and cell fragments

Back

Plasma and cells

Front

What are the blood cells?

Back

Erythrocytes, leukocytes, and platelets.

Front

The most abundant compound in blood plasma, accounting for about 92% of the total volume, is: Oxygen, Gamma-globulin, Sodium chloride, Water

Back

Water

Front

What ensures the unidirectional flow of blood through the heart?

Back

Valves within the heart that prevent backflow of blood.

Front

The ____________ carries blood throughout the body; the ____________ carries blood only to and from the lungs.

Back

systemic circuit; pulmonary circuit

Front

The myocardium is composed of:

Back

Cardiac muscle tissue.

Front

What are the heart chambers that receive blood returning through both circulatory circuits called? Options: Auricles, Atria, Ventricles, Sinuses

Back

Atria

Front

All of the following are true of the left ventricle except:

• Wall is typically 3 times thicker than that of right ventricle.
• It is separated from left atrium by Mitral valve.
• Aortic semilunar valve at superior end separates it from the aorta.
• Receives deoxygenated venous blood from the left atrium.

Back

Receives deoxygenated venous blood from the left atrium.