The Effect of Temperature and Epinephrine on The Heart Rate of Daphnia Leslie Orzetti-Gollhofer Gaby Macias INTRODUCTION The Daphnia is a Crustacean other known as the water flea. It lives in small bodies of freshwater. The Daphnia is ectothermic‚ meaning it controls its body temperature through external means. With this experiment we experienced first hand what the effect temperature has on a Daphnia’s heart rate. We also experimented what effect epinephrine has on a Daphnia’s heart rate.
Premium Hypothesis Epinephrine Heart rate
The Effect of Caffeine on Heart Rate Caffeine is made by plants as a way of getting rid of insects. Cocoa is produced in South America‚ coffee in Africa and tea is produced in Asia have all been used for a very long time to give us a little rush in order to keep us going. Now caffeine is also used as a flavour enhancer in cola and other soft drinks also it has medicinal uses in aspirin preparations and is found in weight-loss drugs and as a stimulant in normal people in everyday to
Premium Caffeine Coffee Nervous system
The popular name for Daphnia is ‘water fleas’ because they resemble fleas in shape and movement. Unlike fleas‚ which are insects‚ Daphnia are crustaceans classified under the scientific order‚ Cladocera. The purpose of this experiment was to examine the alertness of Daphnia ambigua alertness at different temperatures. It involved the incubation of 30 Daphnia ambigua in three 100ml beakers. Exposing each beaker to a different temperature revealed that temperature of the surrounding environment had
Premium Carbon dioxide Climate change Global warming
influence of peers‚ family‚ society‚ the availability of alcohol‚ mental illness‚ stress‚ and not knowing how to cope with certain situations. It’s a common thing for an alcoholic to think drinking is the answer to all their problems‚ but in retrospect drinking is only adding to the multiple complications caused by being a compulsive drinker. Research has been done to explore the reason behind why people drink. However‚ “Exactly how alcohol affects the brain and the likelihood of reversing the
Premium Alcoholism Alcohol Alcohol abuse
the use of alcohol has been an topic in need of explanation for many years. The concept will be explaned with emphise on the negative effects of hooch. Alcohol in cardio-sport athletes is especially harmful. But at any rate the negative concepts apply to all student. Besides the fact that a large number of students are underage when they drink‚ alcohol can put students in dangerous situations and give them a headache long after the hangover is gone. The short and long term effects alcohol has can impair
Premium Drinking culture Alcoholism Alcoholic beverage
Long-term effects of alcohol From Wikipedia‚ the free encyclopedia Jump to: navigation‚ search Long-term effects of alcohol Classification and external resources ICD-10 F10.1 Disability-adjusted life year for alcohol use disorders per 100‚000 inhabitants in 2004. no data less than 50 50–150 150–250 250–350 350–450 450–550 550–650 650–750 750–850 850–950 950–1050 more than 1050 Total recorded alcohol per capita consumption (15+)‚ in litres of
Premium Alcoholism Alcohol abuse
Effects of Marijuana‚ Heroin and Alcohol. Contents Effects of Marijuana Effects of Heroin Effects of Alcohol Effects of Marijuana Marijuana is a combination of shredded leaves‚ stems and flower buds of the Cannabis sativa plant. Marijuana is the most commonly used illegal drug. Occasional marijuana use is rarely seriously harmful‚ but smoking pot has important medical effects. Physiological Effects of Marijuana The active ingredient in marijuana is THC. That ’s short for delta-9-tetrahydrocannabinol
Premium Drug addiction Addiction Cannabis
With regards to alcohol has many long term effects. The bloodstream transports blood all over the body. As soon as alcohol is consumed‚ it goes into the bloodstream and spreads throughout the body. It can affect the bones; it was said in‚ “Effects of Heavy Drinking‚” that alcohol can make arthritis more painful by inflaming the joints that are affected. Another example of liquor affecting the bones is gout which is another form of arthritis that harms the foot. The consumption of alcohol makes this disease
Premium Hypertension Alcoholism Alcoholic beverage
What is alcohol? To most people “alcohol refers to the intoxicating ingredient in most beer‚ wine‚ liquor”. When people think of dangerous drugs‚ they probably think of heroin‚ crack cocaine‚ crystal meth or prescription painkillers. Because it is legal‚ alcohol is not‚ in most cases thought of as a substance with the ability to kill you or lead to chronic‚ irreversible health problems. It can wreak havoc with your health; destroy your family‚ your career‚ your hopes and dreams. Worst of all‚ it
Premium Drug addiction Addiction Alcoholism
Biology Lab T 10:50 The Effects of Alcohol on the Cell Membrane Introduction To understand the effects of alcohol on cell membranes can help one understand more about the effects of alcohol on human cells that are contained in the digestive system and the blood stream. It is important to study this effect due to the fact that it can lead to the understanding of the dangers of alcohol‚ over consumption‚ and even possibly alcohol poisoning. Performing this lab enables the students to have a firsthand
Premium Cell membrane Cell Chemistry