Biology Basics Quiz

What are the smallest building blocks of all living beings?

• Tissues

• Organs

• Cells

• Molecules

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Which of the following is NOT one of the four basic types of tissues?

• Epithelial

• Muscular

• Neural

• Skeletal

What is the primary function of specialized receptors in the human body?

• To form tissues

• To convert environmental stimuli into nerve impulses

• To organize cells into organs

• To transport blood

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Which organ system includes the heart and all of the blood vessels?

• Nervous system

• Digestive system

• Cardiovascular system

• Respiratory system

What distinguishes a living organism from a dead one or an inanimate object?

• Presence of organs

• Cellular composition

• Ability to move

• Size and shape

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Which system is responsible for protecting the body, eliminating waste, and helping regulate body temperature?

• Skeletal

• Integumentary

• Muscular

• Nervous

What is the primary function of the skeletal system?

• Pumps the heart

• Supports body, protects organs, produces blood cells

• Secretes hormones

• Enables vision, hearing, smell, and taste

What is the role of the endocrine system?

• Secretes hormones

• Breaks down food for absorption

• Transports oxygen and nutrients

• Removes nitrogen-containing wastes

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Which system is responsible for delivering oxygen and removing carbon dioxide from the blood?

• Respiratory

• Urinary

• Lymphatic

• Reproductive

What is the function of the lymphatic system?

• Enables production of offspring

• Returns body fluids to the bloodstream

• Pumps the heart

• Protects, eliminates waste, helps regulate body temperature