BIO235 Athabasca Questions And Answers Already Passed Anatomy - answers the science of body str uctures and the relationships among them dissection - answers the careful cutting apart of body structures to study their relationships physiology - answers the study of how the body and its parts work or function chemical level of organization - answers atoms and molecules cellular level of organization - answers molecules combine to form cells tissue level of organization - answers groups of cells and the materials surrounding them that work together to per form a particular function organ level of organization - answers structures that are composed of two or more different types of tissues; they have specific functions System level of structural organization - answers consists of related organs with a common function organismal level of structural organization - answers all organ systems combined to make the whole organism 11 systems of the human body - answers 1. Integumentary 2. Skeletal 3. Muscular 4. Nervous 5. Endocrine 6. Cardiovascular 7. Lymphatic 8. Respiratory 9. Digestive 10. Urinary 11. Reproductive functions of integumentary system - answers protection, body temperature regulation, cutaneous sensation, metabolic functions, blood reservoir, excretion components of integumentary system - answers skin, hair, nails, sweat glands, oil glands, mammary glands Functions of the skeletal system - answers support, storage of minerals and lipids, blood cell production, protection, leverage components of ske letal system - answers All Bones, Joints, Cartilage, Ligaments Functions of the muscular system - answers movement, posture, joint stability, heat production components of muscular system - answers skeletal muscles Functions of the nervous system - answers Generates action potentials (nerve impulses) to regulate body activities; detects changes in body's internal and external environments, interprets changes, and responds by causing muscular contractions or glandular secretions Components of the Nervous System - answers brain, spinal cord, nerves functions of the endocrine system - answers Regulates body activities by releasing hormones components of endocrine system - answers Hormone -producing glands (pineal gland, hypothalamus, pituitary gland, thymus, thyroid gland, parathyroid glands, adrenal glands, pancreas, ovaries, and testes) and hormone -producing cells in several other organs Functions of the cardiovascular system - answers Heart pumps blood through blood vessels; blood carries oxygen and nutrients to cells and carbon dioxide and wastes away from cells and helps regulate acid -base balance, temperature, and water content of body fluids; blood components help defend against disease and repair damaged blood vessels Components of the cardiovascular system - answers heart, blood vessels, blood components of lymphatic system - answers lymphatic fluid and vessels, spleen, thymus, lymph nodes, and tonsils Functions of the lymphatic system - answers Returns proteins and fluid to blood; carries lipids from gastrointestinal tract to blood Functions of the respiratory system - answers Transfers oxygen from inhaled air to blood and carbon dioxide from blood to exhaled air; helps regulate acid -base balance of body fluids; air flowin g out of lungs through vocal cords produces sounds Components of the respiratory system - answers lungs, pharynx, larynx, trachea, bronchial tubes