Biology Final

Description

Chapters 24-26.
atcbeats
Flashcards by atcbeats, updated more than 1 year ago
atcbeats
Created by atcbeats almost 11 years ago
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Resource summary

Question Answer
Hormones Chemical Messengers regulating cell function
Oxytocin Pituitary "Cuddle" Chemical. Trust Me. Let down Guard. Social Attachment
Endocrine Cells Cells that secrete hormones
Target Cells Recieve the signal
Endocrine Glands Pituitary Pancreas Ovaries Testes
2 system for internal communications Endocrine Nervous
Endocrine Chemical: Bloodstream Long term, Slower growth
Nervous Chemical & Electrical: Rapid Movement & Response to Environment
Andro (Androstenedione) Allow athletes to train harder n recover quickly
Gonadotropin Human Growth Hormone. Improve muscle madd and performance
Erythropoietin Increases production of red blood cells & Hemoglobin. Improved movement of oxygen to the muscles.
Epoetin Synthetic form of Erythropoietin. Used by endurance athletes.
Diuretics Change your body's natural balance of fluids and salts. Can lead to Dehudration.
Loose of water Decrease an athlete's weight
Creatine Naturally ocurring compound produced by your body that helps your muscles release energy. Sprinting/Weight lifting but not aerobic or endurance sports
Natural Supplements not approved by FDA Can decrease performance. (Stomach cramps, muscle cramps, nausea)
Stimulants Stimulate the central nervous system and increase heart rate n blood pressure. Improve endurance & Reduce Fatigue
Egg female Gamete Haploid(one copy of each chromosome)
Fertilized Egg Diploid (two copies of each chromosome)
Asexual Reproduction Involves production of offspring by a single individual w/o genetic material from another individual
Parthenogenesis Female's egg develops into a new organism w/o ever having to be fertilized by a sperm cell
Budding An offspring grows right out of the body of the parent
Fragmentation A parent breaks into multiple pieces & develops into functioning independent individual
Sexual Reproduction Advantages Offspring are different from eachother n either parent.
Sexual Reproduction Disadvantages Finding a partner & mating can be difficult. Only half of alleles will be passed to offsprings.
Asexual Reproduction Advantages Reproduction is fast n Efficient. All alleles passed to its offspring
Asexual Reproduction Disadvantages W/ a changing environment, individuals producin genetically diverse offspring likely to have off, suited to envi.
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