Chapter 2 Flashcards
(173 cards)
cell
basic unit of all living things
cell membrane
forms the boundary of the cell
cytoplasm
gel-like fluid inside the cell
nucleus
Largest structure of the cell, in the middle
chromosomes
located in the nucleus of the cell, 46 in human cells
genes
regions within the chromosomes, determine characteristics
DNA
comprises each cell and regulates the activities of the cell
tissue
group of similar cells that performs a specific function
muscle tissue
produce movement
nervous tissue
coordinate and control body activites
connective tissue
connects, supports, penetrates and encases various body structures
epithelial tissue
forms membranes, major tissue in glands
organ
tissues that together form special body functions
viscera
large internal organs
system
group of organs that work together to perform complex body functions
integumentary system
composed of skin, nail, and glands. protective covering for the body
respiratory system
nose, pharynx, larynx, trachea, bronchial tubes, and lungs.
unrinary system
kidneys, ureters, bladder, and urethra. maintains electrolyte concentration
reproductive system
ovaries, uterine tubes, uterus, vagina, mammary glands. testes, urethra, penis, prostate gland, associated tubes.
cardiovascular system
heart and blood vessels. pumps and transports blood
lymphatic system
vessels, ducts, nodes, and organs. defense against infections.
digestive system
mouth, esophagus, stomach, intestines, anus. preps food and eliminates waste
musculoskeletal system
muscle, bones, joints. provides movement, protects vital organs, stores calcium, produces red blood cells.
nervous system
brain, spinal cord, and nerves. regulates body activities by sending and receiving messages
