Lecture 2

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20 Terms

1
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What represents the simplest level of organization in the body?

Atom

2
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What do atoms combine to form?

Molecules

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Organelles are built from:

Molecules and macromolecules

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What is the smallest living unit of the body?

Cell

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What do cells form when they work together?

Tissues

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A group of tissues working together to perform a function is called a:

Organ

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Which is the correct order from simplest to most complex?

Atom → Molecule → Organelle → Cell → Tissue → Organ → Organ system

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Which organ system includes the heart and blood vessels?

Cardiovascular system

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The study of body structures visible to the naked eye is called:

Macroscopic anatomy

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A light microscope allows us to see:

Basic cell structures

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Which method is used to study tissues under low magnification?

Dissecting microscope

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What body cavity houses the brain?

Cranial

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The spinal cavity contains the:

Spinal cord

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Which structure separates the thoracic and abdominopelvic cavities?

Diaphragm

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The pleural cavity contains the:

Lungs

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What serous membrane lines the pleural cavity wall?

Parietal pleura

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Which serous membrane is attached directly to the surface of the heart?

Visceral pericardium

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What cavity contains digestive glands and organs?

Abdominal

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The serous membrane lining the abdominal wall is called:

Parietal peritoneum

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Organs located behind the peritoneal membrane are called:

Retroperitoneal