Structural Organization of the Human Body Quiz

What is the smallest unit of any pure substance?

• Molecule

• Atom

• Cell

• Tissue

Which level of organization includes a group of many similar cells working together?

• Tissue level

• Chemical level

• Organ level

• Cellular level

Which organ system is responsible for delivering oxygen and nutrients to the tissues?

• Integumentary system

• Muscular system

• Cardiovascular system

• Respiratory system

What is the function of the lymphatic system?

• Returns fluid to the blood and defends against pathogens

• Removes carbon dioxide from the body and delivers oxygen to the blood

• Processes food for use by the body and removes wastes

• Controls water balance in the body and removes waste from the blood

Which level of organization is the highest?

• Organism level

• Organ level

• Cellular level

• Chemical level

Which organ system is responsible for processing food for use by the body?

• Endocrine system

• Digestive system

• Urinary system

• Reproductive system

What is the function of the nervous system?

• Detects and processes sensory information and activates bodily responses

• Secretes hormones and regulates bodily processes

• Supports the body and enables movement

• Controls water balance in the body and removes waste from the blood

Which organ system is responsible for controlling water balance in the body?

• Muscular system

• Urinary system

• Integumentary system

• Respiratory system

What is the function of an organ?

• Group of many similar cells working together

• Smallest independently functioning unit of a living organism

• Anatomically distinct structure of the body composed of two or more tissue types

• Building block of all body structures

Which organ system is responsible for producing sex hormones and gametes?

• Cardiovascular system

• Endocrine system

• Reproductive system

• Nervous system