A Closed Circulatory System as Opposed to an Open System

question 51

Multiple Choice

A closed circulatory system as opposed to an open system permits

• A)transport of blood which is always enclosed within vessels from and back to a pump,the heart.
• B)a larger capacity for blood.
• C)degradation of nutrients in the blood and waste removal.
• D)oxygen to be carried in cells present in the blooD.
• E)messages to be carried to the neurons.

---

Definitions:

Oral Temperatures

Body temperature readings obtained orally (from the mouth), reflecting the core body temperature with a commonly used method for fever detection.

Nuchal Rigidity

Stiffness in the neck that resists bending, often a sign of inflammation of the meninges, the protective membranes covering the brain and spinal cord.

Antipyretics

Medications or substances that reduce fever by lowering the body temperature from a raised state.

Bacteria

Microscopic, single-celled organisms found almost everywhere, which can be beneficial, neutral, or harmful to humans and other organisms.