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HHSC 198 - Chapter 4
The Body as a Whole
| Question | Answer |
|---|---|
| The whole body or organism is composed of... | organ systems |
| Organ systems are composed of... | organs |
| Organs are composed of... | tissues |
| Tissues are composed of... | cells |
| Cells are composed in part of... | organelles |
| Organelles are composed of... | molecules |
| Molecules are composed of... | atoms |
| The basic unit of life is... | the cell |
| The largest organelle is... | the nucleus |
| The powerhosue of the cells | mitochondria |
| The four primary tissue groups | connective, epithelial, muscle, nervous |
| The hardest connective tissue | bones |
| Connects muscle to bone | tendon |
| Avascular connective tissue found in joints | cartilage |
| Strips or bands of fibrous connective tissue | ligaments |
| Major organs of integumentary system | skin, hair, nails, sweat glands, sebaceous glands |
| Major organs of skeletal system | bones, ligaments, cartilages, tendons |
| Major organs of muscular system | muscles |
| Major organs of nervous system | brain, spinal cord, nerves, sense organs |
| Major organs of endocrine system | glands that secret hormones: pituitary, thyroid, parathyroid, adrenal, pancreas, ovaries, testes, pineal, thymus |
| Major organs of cardiovascular system | heart, blood vessels |
| Major organs of lymphatic system | lymph vessels and nodes, thymus, spleen |
| Major organs of digestive system | mouth, tongue, teeth, salivary glands, pharynx, esophagus, stomach, liver, gallbladder, pancreas, small and large intestines |
| Major organs of respiratory system | nasal cavity, pharynx, larynx, trachea, bronchi, lungs |
| Major organs of urinary system | kidneys, ureters, urinary bladder, urethrea |
| Major organs of male reproductive system | scrotum, testes, epididymides, vas deferens, seminal vesicles, prostate bulbourethral glands, urethra, penis |
| Major organs of female reproductive system | ovaries, uterine (fallopian) tubes, uterus, vagina, vulva |
| Major functions of integumentary system | protect tissues, regulate body temperature, support sensory receptors |
| Major functions of skeletal system | provide framework, protect soft tissues, provide attachments for muscles, produce blood cells, store inorganic salts |
| Major functions of muscular system | cause movements, maintain posture, produce body heat |
| Major functions of nervous system | detect changes, receive and interpret sensory information, stimulate muscles and glands |
| Major functions of endocrine system | control metabolic activities of organs and structures |
| Major functions of cardiovascular system | move blood and transport substances throughout body |
| Major functions of lymphatic system | return tissue fluid to the blood, carry certain absorbed food molecules, defend body against infection |
| Major functions of digestive system | receive, break down, and absorb food, eliminate unabsorbed material |
| Major functions of respiratory system | control intake and output of air, exchange gases between air and blood |
| Major functions of urinary system | remove wastes from blood, maintain water and electrolyte balance, store and transport urine |
| Major functions of male reproductive system | produce and maintain sperm cells, transfer sperm cells into female reproductive tract, secrete male hormones |
| Major functions of female reproductive system | produce and maintain egg cells, receive sperm cells, support development of an embryo, function in birth process, secrete female hormones |
| Term for stability or equilibrium of a system or the body's internal environment. | homeostasis |
| Collection of similar cells | tissue |
| Shaped like a cross | cruciate |
| tissue that covers surfaces or lines cavities | epithelium |
| Disease of muscular rigidity, tremors, and a masklike facial expression. | Parkinson's disease |
| Pertaining to the horizontal plane dividing the body into upper and lower portions | transverse |
| Situated away from the center of the body. | distal |
| Situated toward the center of the body. | medial |
| Pertaining to the back or situated behind. | dorsal |
| Study of the structures of the human body. | anatomy |
| a vertical plane that divides the body into anterior and posterior | frontal or coronal |
| a vertical plane that divides the body into right and left | sagittal |
| When you lie down flat on your back, you are... | supine |
| When you lie down flat on your abdomen, you are... | prone |