mollusks with two valves also nickname the bivalves. Clams are mostly marine animals however; the clams we will dissect are freshwater clams. Adult clams have bilateral symmetry but when they are larva clams have radial symmetry. A clam has complete digestion and has open circulation. The materials used in this lab were a preserved clam‚ a dissection pan‚ bent tip probe‚ scalpel‚ specimen bag‚ pins‚ gloves‚ tools‚ paper towels‚ goggles‚ ruler‚ lab coat‚ etc. In Miss Sido`s lab prep she went over the
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1) The length of the tail: 18.5 cm 2) The length of the body ( from the tip of the nose to the base of the tail: 22cm What is their relative proportion? 1.2:1 PART A (Overview) pg. 462-464 a) Draw a diagram of the rat when it is first cut opened and the internal organs are exposed. Identify and label the diaphragm‚ the stomach‚ the small intestine‚ the caecum‚ the heart‚ the left and right lung‚ the trachea and the esophagus. (Note: see Figure 22 on pg 470 for an example) b) What structure
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stomach D Both food and air pass along this A Indigestible matter held here before defecation I Produces bile E A bag made of muscle where food is held. Gastric juice and Hydrochloric acid are added here. J Where food is mixed with bile and digestion of proteins‚ fats and carbohydrates takes place G Water and salt are absorbed here
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Cells‚ Tissues and Organs of the Digestive System Living organisms all have various functioning systems within the body that enable life processes to be carried out. Each system uses different organs that coordinate with each other to carry out their functions‚ and these systems‚ organs and functions are shown below: Functioning System Related Organs Function Circulatory Heart‚ Arteries‚ Veins Transports blood through the body Digestive Mouth‚ Tongue‚ Pharynx‚ Esophagus‚ Liver‚ Stomach
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and forth. A propelling movement is one where the muscle contraction occurs in the wall of the tube but the muscles just ahead in the tube relax. 5. Discuss the functions of the mouth and its parts. The mouth receives food and prepares it for digestion by mechanically breaking up the size of solid particles and mixing them with saliva. The cheeks are the outer layers of skin‚ pads of subcutaneous fat‚ and the muscles associated with expression and chewing. The lips are highly mobile structures
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Running head: EVOLVING DOLPHINS The Evolution of Dolphins JD Biology 101 January 16‚ 2011 Professor: Abstract Dolphins are a fun and playful species. They have evolved to be well suited for their aquatic environments. Over many years these animals have gone from land dwellers to deep-sea divers. These amazing creatures are considered one of the top predators in the marine ecology system. The Evolution of Dolphins Imagine you are at Six Flags Discovery Kingdom swimming with the
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is that it mixes the chyme with the digestive juices and brings food into contact with mucosa for absorption and then propels the chyme through the intestine. The second function is that it completes the digestion of carbohydrates‚ lipids‚ and proteins. It also begins and completes the digestion of nucleic acid. The third function is that it absorbs 90 percent of nutriends that pass through the digestive tract. There are many types of tissues that are found in the small intestine. The main tissues
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http://www.unaab.edu.ng COURSE CODE: ANN 502 COURSE TITLE: Nigerian Feeds and Feedstuffs NUMBER OF UNITS: 2 Units COURSE DURATION: 2 Hours COURSE DETAILS: COURSE DETAILS: Course Coordinator: Email: Office Location: Other Lecturers: Dr. Richard Abayomi Sobayo rasobayo@yahoo.com Department of Animal Nutrition Prof. Daisy Eruvbetine‚ Dr. Abimbola Oladele Oso Dr. Adebayo Olusoji Oni COURSE CONTENT: Survey of Nigerian feeds and feedstuffs. Classification of feeds
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If you’re looking for clearer‚ healthier skin‚ look no further. Witch hazel is recognized for its amazing invigorating properties. Witch hazel carries anti-inflammatory properties that help lessen acne and scars easily. Gently dab witch hazel onto the problem area to reduce inflammation. Applying it to places you experience irritation to control breakouts. To brighten skin mix ½ cup of lemon juice‚ 1 cup of water‚ and ⅔ cup of witch hazel in a bottle. First‚ cleanse your face with a facial cleanser
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4. Enzymes p176 Enzyme structure Lock and key hypothesis Notes understand p178 Factors affecting enzyme action Effect of temperature & pH Role of enzymes p180 Aerobic respiration Equation Mitochondria p182 Enzymes in digestion Carbohydrase (amylase)‚ protease‚ lipase Structure of digestive
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