Ex. 4.1 1. g 2. e 3. b 4. d 5. f 6. c 7. i 8. h 9. a 10. Antrum 11. Seminiferous tubules 12. T3 ; thyroid gland 13. posterior pituitary gland , 14. Antidiuretic hormone (ADH) ; posterior pituitary gland Ex.- 4.2 1. Estradiol; ovaries 2. Testosterone
Ex.- 6.1 1. Four heme groups; one molecule of oxygen. 2. Erythropoietin; kidneys. 3. Reticuloendothelial system; spleen, liver, bone marrow. 4. Bilrubin; jaundice. 5. Hematocrit is the ratio of volume of red blood cells to the total blood volume. 6.
Ex.- 5.2 1.) (a) Twitch is a response of skeletal muscle to a single stimulation (or action potential). (b) Summation is a graded muscle contraction produced as a result of stimulation of the muscle fiber before it can relax. The new stimulation ride
Exercise 3.1 1. Dendrites and cell body 2. Resting membrane potential 3. a. Depolarization b. Sodium ions 4. Frequency; strength 5. The all-or-none law of nerve physiology states that a neuron either does not fire (to any subthreshold stimulus) or it
Ex-1.2 1.) Tissue is a collection of cells that are similar in function and structure. 2.) Organ consists of two or more types of primary tissues organized to perform a particular function. 3.) Simple squamous- It consists of flattened cells that fun