Which of These Structures Can Be Swiveled Around in Some

question 88

Multiple Choice

Which of these structures can be swiveled around in some animals to better locate a sound?

• A)pinna
• B)hammer
• C)vestibular system
• D)anvil
• E)cochlea

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Definitions:

Peristalsis

Wavelike smooth muscle contractions that propel food through the digestive tract.

Food

Any nutritious substance that people or animals eat or drink, or that plants absorb, in order to maintain life and growth.

Digestive System

The digestive system is the group of organs responsible for breaking down food into nutrients, which the body uses for energy, growth, and cell repair.

Scurvy

A disease caused by a deficiency of vitamin C, characterized by swollen bleeding gums, bruising, and weakness.