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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 |