Terms : Hide Images
| 6313727902 | anatomy | study of the biological form of an organism | 0 | |
| 6313727903 | physiology | study of the biological functions an organism performs | 1 | |
| 6313727904 | levels of organization | 1. cell 2. tissue 3. organ 4. organ system |  | 2 |
| 6313727906 | organ | one functional unit of tissues |  | 3 |
| 6313727907 | organ system | organs working together to perform a specific function |  | 4 |
| 6313727908 | tissue | a group of related cells |  | 5 |
| 6313727913 | epithelial tissue | tissue that covers outside of the body and lines organs and cavities; tightly bound to form a protective layer; highly regenerative |  | 6 |
| 6313727919 | gland | a group of specialized epithelial cells that are capable of producing secretions |  | 7 |
| 6313727920 | connective tissue | tissue that provides support for the body and connects all its parts; has an extracellular matrix (secreted by fibroblasts) made of collagen, elastin and reticulin |  | 8 |
| 6313727921 | loose connective tissue | less packed connective tissue which makes it loose and flexible, includes adipose |  | 9 |
| 6313727922 | adipose | fat reserve cells | | 10 |
| 6313727923 | dense connective tissue | have large amounts of either collagen fibers (making them strong) or elastic fibers, or both, includes tendons and ligaments | | 11 |
| 6313727924 | tendon | connects muscle to bone |  | 12 |
| 6313727925 | ligament | connects bone to bone |  | 13 |
| 6313727926 | chondrocyte | cartilage, connects and cushions joints |  | 14 |
| 6313727927 | osteocyte | bone, calcified cells that provide sturdy support |  | 15 |
| 6313727928 | plasma | liquid part of blood | 16 | |
| 6313727929 | erythrocyte | red blood cell |  | 17 |
| 6313727930 | leukocyte | white blood cell |  | 18 |
| 6313727931 | thrombocyte | platelet |  | 19 |
| 6313727932 | muscular tissue | tissue that moves the body and its parts; striated muscles contain actin and myosin filaments for contraction | 20 | |
| 6313727933 | smooth muscle | involuntary, in walls of blood vessels and viscera, one nucleus |  | 21 |
| 6313727934 | skeletal muscle | voluntary, attached to bones, multinucleated, striated |  | 22 |
| 6313727935 | cardiac muscle | involuntary, single nucleated, striated, have gap junctions to link adjacent cells and help the heart perform as one unit (intercalated disks) |  | 23 |
| 6313727936 | nervous tissue | tissue that senses stimuli, integrates and analyzes them, and controls the body's response | 24 | |
| 6313727937 | neuron | main cell of the nervous system |  | 25 |
| 6313727938 | neuroglia | cells that support neurons (ex: Schwann cells) |  | 26 |
| 6313727939 | cell body | contains nucleus of the neuron |  | 27 |
| 6313727940 | dendrite | receive stimuli; highly branched extensions |  | 28 |
| 6313727941 | axon | conduct and propagate impulses |  | 29 |
| 6313727942 | Schwann cell | support and insulates axons using a myelin sheath |  | 30 |
| 6313727943 | node of Ranvier | gap between myelin sheaths that expose the axon, help accelerate impulses |  | 31 |
| 6313727944 | saltatory conduction | rapid jumping of an impulse from node to node | 32 | |
| 6313727945 | motor neuron | sends impulses to muscles to create movement |  | 33 |
| 6313727946 | sensory neuron | pick up stimuli from the environment and send to the brain |  | 34 |
| 6313727947 | interneuron | neurons in the CNS that communicate internally and connect sensory to motor neurons; are responsible for reflexes |  | 35 |
| 6313727948 | nervous system | system that is responsible for body intercommunication, picking up and responding to stimuli, and stimulating movement | 36 | |
| 6313727949 | endocrine system | system that is responsible for sending out hormones that regulate homeostasis in the body | 37 | |
| 6313727950 | muscular system | system that is responsible for carrying out voluntary movement | 38 | |
| 6313727951 | skeletal system | system that is responsible for creating a rigid framework | 39 | |
| 6313727952 | digestive ssytem | system that is responsible for food breakdown and nutrient absorption | 40 | |
| 6313727953 | circulatory system | system that responsible fordistributing nutrients, oxygen and other vital materials throughout the body | 41 | |
| 6313727954 | respiratory system | system that is responsible for gas exchange | 42 | |
| 6313727955 | urinary system | system that is responsible for waste elimination | 43 | |
| 6313727956 | integumentary system | system that is responsible for protecting the outer body | 44 | |
| 6313727957 | immune system | system that is responsible for protecting the inner body from pathogens | 45 | |
| 6313727958 | reproductive system | system that is responsible for producing gametes and reproducing | 46 | |
| 6313727959 | homeostasis | tendency to maintain a balanced or constant internal state | 47 | |
| 6313727960 | stimulus | change or signal in the environment that can make an organism react | 48 | |
| 6313727961 | negative feedback | process that reduces stimuli to return organism to homeostasis |  | 49 |
| 6313727962 | positive feedback | process that amplifies stimuli away from homeostasis |  | 50 |
| 6313727963 | effector | organ or cell that acts in response to a stimulus | 51 | |
| 6313727964 | integrator | organ that evaluates condition change | 52 | |
| 6313727965 | thermoregulation | process of maintaining an internal temperature within a tolerable range; adaptations for this include: - insulation (fur, blubber, feathers) - countercurrent circulation - sweating - behavioral responses (shivering) - adjustig metabolic hear production (antifreeze) | 53 | |
| 6313727966 | endotherm | organism that is internally warmed by generating heat through metabolic processes | 54 | |
| 6313727967 | ectotherm | organism that is externally warmed by behaviors | 55 | |
| 6313743119 | LH | The pituitary hormone that stimulates the interstitial cells to secrete testosterone is |  | 56 |
| 6313745914 | FSH | an anterior pituitary hormone that stimulates the follicles in females and the function of the seminiferous tubules in males |  | 57 |
| 6313749135 | TSH | increases release of thyroid hormone |  | 58 |
| 6313752061 | Growth Hormone | hormone secreted by anterior pituitary gland that stimulates growth of bones |  | 59 |
| 6313768242 | Adrenaline | hormone responsible for the fight or flight response; increased heart rate and breathing | 60 | |
| 6313768243 | epinephrine | Adrenaline | 61 | |
| 6313770035 | acetylcholine | A neurotransmitter that enables learning and memory and also triggers muscle contraction | 62 |
