Circulatory Systems

question 12

Multiple Choice

Circulatory systems

• A)are found in small, simple animals.
• B)result in slow distribution of nutrients and gases.
• C)include one or more hearts.
• D)are always closed systems.
• E)are all of these.

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Definitions:

pH Range

A scale that measures how acidic or basic a substance is, ranging from 0 (most acidic) to 14 (most basic).

Acidosis

Acidosis is a condition in which there is too much acid in the body's fluids, leading to a lower than normal pH level in the blood.

Alkalosis

Alkalosis is a condition characterized by a higher-than-normal pH level in the blood, indicating an excess of bicarbonate or a loss of acids.

Blood pH

A measure of the acidity or alkalinity of blood, with a normal range of approximately 7.35 to 7.45, indicating a slightly alkaline state.