SCIENCE 9-1ST QUARTER EXAM

The network of channels that convey blood to all parts of the body.

• heart

• blood vessels

• blood

• lungs

The cone-shaped organ of respiration in humans. It completely fills the spaces of the chest cavity and is surrounded by the rib cage.

• lungs

• pharynx

• nose

• airsacs

The receiving chambers of the heart.

• Atria

• Capillaries

• Ventricle

• Valve

The pumping chambers of the heart.

• Atria

• Capillaries

• Ventricle

• Valve

The smallest and most numerous blood vessels.

• Capillaries

• Arteries

• Veins

• Valves

It is the largest artery.

• Arterioles

• Aorta

• Vena cava

• Venules

It is the smallest artery.

• Arterioles

• Aorta

• Vena cava

• Venules

It is the smallest vein.

• Arterioles

• Aorta

• Vena cava

• Venules

It is the largest vein.

• Arterioles

• Aorta

• Vena cava

• Venules

The following are the corpuscles or formed elements of the blood vessels except:

• erythrocytes

• plasma

• leukocytes

• thrombocytes