Light and dark adaptation involves
A. pupillary reflexes.
B. variations in rod and cone function.
C. changes in the amount of available rhodopsin.
D. pupillary reflexes and changes in the amount of available rhodopsin.
E. pupillary reflexes, variations in rod and cone function and changes in the amount of available rhodopsin.
E
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Match each term with its definition or description.
a. zygote b. morula c. blastocyst d. placenta e. fetus f. embryo g. ectoderm h. mesoderm i. endoderm j. histogenesis k. amniotic cavity l. implantation m. organogenesis n. fertilization o. yolk sac 1. _____ Connecting “bridge” between mother and baby 2. _____ Term used to describe the developing baby during the first 8 weeks 3. _____ Term used for the fertilized egg 4. _____ Term used to describe the development of tissues 5. _____ Term used to describe the developing baby from week 9 to week 39 6. _____ Term for the solid mass of cells formed by the fertilized egg about three days after fertilization 7. _____ Primary germ layer that forms the lining of the gastrointestinal tract 8. _____ Term for the hollow ball of cells the fertilized egg has formed by the time it reaches the uterus 9. _____ Primary germ layer that forms the brain and spinal cord 10. _____ Primary germ layer that forms muscles 11. _____ Moment when the ova and sperm unite 12. _____ Embedding of the blastocyst into the uterine wall 13. _____ Source of nutrients in birds, but produces blood cells in humans 14. _____ Fluid-filled shock-absorbing sac sometimes called the bag of waters 15. _____ Process by which tissues arrange themselves into organs
In many cells, the hormone called ____________________ promotes the insertion of glucose carriers into the plasma membranes
Fill in the blank(s) with correct word
Muscles that attach to bone at one end and skin at another include which of the following?
A. The multifidus muscles B. The piloerector muscles C. The lumbricals D. The muscles of facial expression E. The sphincters
The body's reaction to stress is called what?
a) general adaptation syndrome b) epinephrine-cortisol response c) destressing modulation