Which Body System Plays the Smallest Role in Preventing and Fighting

question 35

Multiple Choice

Which body system plays the smallest role in preventing and fighting an infection?

• A) digestive system
• B) skeletal system
• C) cardiovascular system
• D) lymphatic system
• E) integumentary system

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Definitions:

Allergies

are hypersensitive responses of the immune system to substances that are normally harmless to most individuals, such as pollen or certain foods.

Optical Nerve

Often referred to as the optic nerve, it is a crucial nerve responsible for transmitting visual information from the retina to the brain.

Rods and Cones

Specialized types of photoreceptor cells in the retina that are responsible for vision in low light (rods) and color vision and detailed vision in brighter light (cones).

Retina

The light-sensitive layer of tissue at the back of the inner eye, containing photoreceptor cells that convert light into neural signals.