Which Mechanism Is Used to Encourage the Movement of Water

question 28

Multiple Choice

Which mechanism is used to encourage the movement of water over gills?

• A) beating of cilia
• B) contraction of the diaphragm
• C) relaxation of a muscular mantle
• D) a fish swimming with its mouth closed
• E) relaxation of body muscles

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Definitions:

Vertebral Artery

A major artery that supplies blood to the posterior part of the brain, passing through the transverse foramina of the cervical vertebrae.

Great Saphenous Vein

The longest vein in the body, running along the length of the lower leg and thigh, and often used in coronary artery bypass surgery.

Hepatic Portal Vein

A large vein that carries nutrient-rich blood from the digestive organs to the liver for processing.

Basilic Vein

A large vein located on the inner side of the upper arm and forearm, often used for intravenous injections or blood draw.