urea or uric acid. Osmolarity is controlled by selective reabsorption/secretion. C 5 types of excretory systems: None in porifera‚ cnidaria Protonephridia in planaria & rotifers Metanephridia in annelids Malpighian tubules in terrestrial arthropods Kidneys (with nephrons) in vertebrates Protonephridia Have flame bulbs‚ tubules‚ and nephridopores. C Flame bulbs selectively filter body fluid to nitrogenous waste. C Fluid collects in tubules and drips outside through the nephridopore. Metanephridia
Free Kidney Nephron
Title: Caffeine: The pros and cons of consumption Specific Purpose: At the end of my speech‚ the audience will be educated on the what caffeine is and the advantages and disadvantages of caffeine consumption. Preview of Main Points: I will be explaining what caffeine is‚ the benefits and the effects it has on us. Introduction (Attention Getter) How many for you consume caffeine on a daily basis? (Central Idea (Introduce topic and relate it to your audience)) In an article from fda
Premium Caffeine Coffee Obesity
blood supply is a challenge-especially when a disaster occurs‚ which may cause the need for blood to soar. The only way to meet demand is to have regular donations from healthy volunteers. If you are healthy‚ your body-which has between 10 and 12 pints of blood-can easily spare about a pint‚ the amount that is collected at a donation. Because the body begins replacing donated blood immediately‚ most people can give blood every eight weeks. I was reading an article called 600 reasons
Premium Donation Blood donation Giving
arrive and depart when it ’s convenient for you. B. It can leave you with an experience of joy and pleasure: 1. Imagine flying someone special to another airport for dinner‚ or fly to the coast for a daycation‚ or visit family more often. If my speech has you wanting to look into getting your license‚ just remember‚ there are things you need to get started--you need money and a certified instructor‚ you need to meet certain requirements‚ and you need to enjoy the many things you can do once you
Premium Aircraft Flight Wright brothers
In 2006 when the UAGA was revised‚ the idea of presumed consent was abandoned. In the United States today‚ organ donation is done only with consent of the family or donator themselves.[5] Europe[edit] Map showing the coverage of 3 international European organ donation associations: Balttransplant‚ Eurotransplant and Scandiatransplant Within the European Union‚ organ donation is regulated by member states. As of 2010‚ 24 European countries have some form of presumed consent (opt-out) system
Free Organ donation Organ transplant Legal death
A. Attention getter: Do you desire to make a difference? Make a positive impact on your life and possibly others along the way? If the answer is yes‚ and I hope it is for all of you. I have a great opportunity for you. B. Introduce topic and motivate audience: Today I will be persuading you to volunteer‚ specifically for the Big Brothers Big Sisters organization. C. Establish credibility: I can talk to about this topic today because I have spent hours researching various aspects of the organization
Premium Management Leadership Skill
Informative Speech Becky Schaelchlin Topic: The Effects of Diet and Exercise on Human Health Informative Purpose: To instruct Type of Informative Topic: Issues Thesis Statement: Consistent diet and exercise has a positive effect on chronic diseases. INTRODUCTION I. According to the Center for Disease Control and Prevention‚ as of 2012‚ about half of all adults—117 million people—have one or more chronic health conditions. While seven of the top ten causes of death in 2012 in the US were due to
Premium Nutrition Medicine Obesity
Who has a friend or knows of someone that has unprotected sex? Have any of you ever had unprotected sex? Well today I will be persuading you to always have safe sex‚ because you could get HIV/AID‚ Chlamydia or Pregnant. The biggest risk that a person takes when they choose to have unprotected sex is contracting the HIV/ AID virus. HIV is the human immunodeficiency virus that causes AIDS. A member of a group of viruses called retroviruses‚ HIV infects human cells and uses the energy and nutrients
Premium AIDS HIV Condom
Goal: To express my views on open campus lunch. Purpose: The purpose of this speech is to convince my class mates that open campus lunches should be allowed for high school students. Student lunch periods at a typical are crowded and rushed. Many students don’t have time to finish there meal and other students have a hard time finding food they either want to or can eat. And with certain meals‚ the food can run out before everyone has gotten through the line and receive their food. An easy alternative
Premium High school Meal School
Speech 2 Outline – Lacy Thompson Topic: why you should exercise Audience Analysis: since most of my audiences are students with a job‚ I will focus on how exercise can boost your energy‚ and mental health to get more accomplished in school. General Purpose: To persuade Specific Purpose: To persuade my audience to exercise. Thesis: It’s hard being a student and working at the same time‚ and find energy for both. I will show you why starting an exercise program can boost your energy
Premium Medicine Health care Physical exercise