Biology 30 alberta - Study guides, Class notes & Summaries

Alberta Biology 30: Nervous System Questions and Answers Already Passed What are the two divisions of the nervous system? central & peripheral What are the two components of the central nervous system? brain & spinal cord What two pathways can the peripheral nervous system be further divided into? sensory & motor What is the difference between the somatic nervous system and the autonomic nervous system? Which division is it a part of? Which pathway? somatic = voluntary control autonomic = inv...

Alberta Biology 30: Reproduction & Development Questions and Answers Graded A What is the difference between primary and secondary sex characteristics? primary = direct role in reproduction (gonads) secondary = features that distinguish the two sexes; develop at puberty What is the process of creating a zygote called? How many chromosomes does it have? fertilization; 46 chromosomes What kinds of sex chromosomes can a sperm contribute? An egg? sperm = X or Y egg = only X What is the function o...

Kidney - Filters blood of impurities (eg. Urea) and produces urine. Ureter - Transports urine to the bladder for storage. Bladder - Stores urine. Urethra - Common duct for the excretion of urine and semen from ejaculation. Testes - Produces sperm under the influence of FSH and testosterone under the influence of LH. Epididymis - Involved in sperm maturation (first 2/3rd's) - last 3rd is involved in mature sperm storage. Prostate - Secrete's an alkaline solution (pH 7.2) to neutralize t...

How are stimuli detected? -AnswerBy sensory receptors How does sensation occur? -AnswerElectrochemical impulses arrive at cerebral cortex Sensory adaptation -AnswerProcess by which repeated, insignificant signals are filtered out What do photoreceptors do? -AnswerDetect light (e.g. rods and cones in human eye) What do chemoreceptors do? -AnswerDetect chemical signals (e.g. olfactory cells for smell, taste buds, internal detection of pH levels, etc.) What do mechanoreceptors do? -AnswerDe

Alberta Biology 30: The Eye & Ear Questions and Answers Rated A+ What kind of receptor is the eye? photoreceptor What are the three layers of the eye? sclera, choroid, retina What is the function of the sclera? outer white layer; protects & provides shape What is the function of the cornea? transparent covering; protects eyes; bends light towards the pupil FIRST What is the function of the choroid? middle layer; contains blood vessels; supplies eye with nutrients & oxygen; dark pigment preve...

Alberta Biology 30: Nervous System Questions and Answers Already Passed What are the two divisions of the nervous system? - Answer central & peripheral What are the two components of the central nervous system? - Answer brain & spinal cord What two pathways can the peripheral nervous system be further divided into? - Answer sensory & motor What is the difference between the somatic nervous system and the autonomic nervous system? Which division is it a part of? Which pathway? - Answe...

Alberta Biology 30: Reproduction & Development Questions and Answers

Alberta Biology 30: Endocrine System Questions and Answers Already Passed What is an endocrine gland? -Answer Ductless; secretes hormones directly into the bloodstream; migrate throughout the body to target What is an exocrine gland? -Answer Ducts; secret chemicals directly to target site; local area What kind of gland is the pancreas? -Answer Both exo and endo. What are the two types of hormones? -Answer Steroid/nonsteroid What are steroid hormones? Give an example. -Answer Lipids; easil...

Alberta Biology 30: Endocrine System Questions and Answers 100% Solved