BIO 141 EXAM 1, ORGAN SYSTEMS REVIEW QUESTIONS AND ANSWERS

BIO 141: EXAM 1, ORGAN SYSTEMS
REVIEW QUESTIONS AND ANSWERS



Cell - Correct Answers -smallest unit of living things

Tissue - Correct Answers -groups of similar cells with a common function

Organ - Correct Answers -structure composed of at least two tissue types that perform a
specific function

Organ System - Correct Answers -organs working together to accomplish a common
purpose

What are the 11 organ systems in the human body? - Correct Answers -Integumentary,
Skeletal, Muscular, Nervous, Endocrine, Cardiovascular, Lymphatic, Respiratory,
Digestive, Urinary, M/F Reproductive

Integumentary primary functions - Correct Answers -maintains boundary and protects
from injury; body temperature regulation; vitamin D synthesis; holds blood; minor role in
excretion
Respiratory components - Correct Answers -nasal cavity, pharnyx, larnyx, trachea,
lungs, bronchi, bronchioles

Digestive primary function - Correct Answers -breaks down food; indigestible is excreted
as feces; major role in excretion

Digestive components - Correct Answers -oral cavity, stomach, rectum, esophagus,
small/large intestine, anus, accesory organs (teeth, liver, pancreas)

Integumentary components - Correct Answers -epidermis, dermis, hair/nails, cutaneous
receptors, sudoriferous (sweat) and sebacous (sebum) glands

Skeletal primary functions - Correct Answers -protect/support organs; levers/support for
muscles; blood cell formation in red marrow; storage of minerals (fat in yellow marrow);
hormone production

Skeletal components - Correct Answers -bones, cartilage, joints, tendons, ligaments