A | B |
Osteoblasts | Cells that form compact bone when fixed in dense bone become osteocytes |
Skeletal system functions | Support, movement, blood cell formation (homophones is) protection mineral storage |
Axial skeleton | Skull, vertebral column, ribs and sternum (trunk) |
Cranial bones | Occipital, frontal, ethmoid, ands sphenoid, pairs of parietal, temporal and ossicles of ear |
Ossicles of ear | Mateus, incus stapes |
Appendicular skeleton | Limbs and girdle (shoulders, clavicle scapula upper) arm bones, humerus, radius, ulna, carpals, metacarpals, phalanges and pelvic girdle bones femur, tibia, fibula, tarsals, metatarsals and phalanges |
Circulatory system, includes blood and lymph system which helps maintain | Homeostasis and give body immunity |
Functions of blood | Transport, remove wastes, immunity through antibodies, maintain temperature and electrolytes, clotting |
Blood is composed of | Solid formed elements of red blood cell, white blood cell, platelet and liquid portion of Buffy coat(mix of WBC and Platelet) and plasma |
Erythrocyte | Transports oxygen and carbon dioxide |
Leukocyte/neutrophils | Phagocytizes microorganisms |
Basophil | Release histamine which promotes inflammation and heparin which prevents clot formation |
Eosinophil | Release chemicals that’s reduce inflammation, attacks certain worm parasites |
Lymphocytes | Produce antibodies and chemicals which destroy microoganisms |
Monocytes | Phagocytic cell becomes macrophage, phagocytizes bacteria, dead cells, fragments, debris within tissues |
Platelet | Form clots by releasing chemicals |
Leukocytes are white blood cells that | Fight infection and disease |
Formation of clot involves | Prothrombin and fibrinogen which forms fibrin |
Serum | Plasma without clotting factors |
A blood type | Antigen is A, Anti-B, Compatible Donor to A,O |
B Blood type | Antigen B, Anti-A, Compatable donor is B, O |
AB Blood type | Antigen A and B; No antibody; compatible donar A and B |
O blood type | No antigen, Anti A and Anti-b, compatible donar O |
Type AB is universal | recipient |
Type O universal | Donar |
Rh factor | If Rh positive blood is given to a Rh negative blood type that persons blood considers the Rh positive foreign and combats it by forming antibodies; a second transfusion could be fatal |
Erythroblastosis fetalis | When and Rh negative mother delivers a Rh negative baby, the baby blood may contact the mothers blood. Then mother forms antibodies against Rh positive. With the next pregnancy those antibodies can attack the babies blood. |
Skin, largest organ of the body consists of two layers | Epidermis (outermost layer made of dead keratinized epithelial cells) and dermis (inner layer connective tissue containing nerve endings, blood vessels, and skin structures) |
Layers of epidermis from outer to inner layers | Stratum cornermen, stratum lucidum, stratum granulosim and stratum germinativum (includes basalt and spinous) |
Melanin, a protein pigment, which | Protects skin against radiation from the sun |
Dermis | Fibrous connective tissue with blood cells, nerve endings, hair follicles and glands |
2 types of sweat glands | Eccrine (sweating which regulates body temperature and apocrine secretion in armpits and groin) and sebaceous glands which secrete sebum (located in hair follicles) |
Sebum is produce by | Halocrine secretion |
Skin appendages includes | Hair and nails, both composed of a strong protein called keratin |
As epidermal cells move from the deepest layers to superficial layers they move away from blood and nutrient supply subsequently they | Dehydrate and die |