Topic 3- Organisation and the Digestive System Flashcards
What is a group of specialised cells doing a collective function called?
A tissue of cells.
Organs are _________ of _______. What two words finish this sentence?
Groups, tissues.
The stomach contains three tissues: _________ tissue, churning food and digestive juices; _________ tissue, producing digestive enzymes to break down food and __________ tissue, covering the inside and outside of the stomach. What are the three tissue types? (In order)
Muscular, glandular, epithelial. In that order.
An organism is made up of many ______ ______ which are made up of different organs carrying out the same function. For example the ________ system. What 3 words finish the sentence?
Organ systems, Digestive (or any other relevant organ system name)
The food you eat is made up of ______, _______ chunks which need to be _______ down to have their nutrients and energy used by the body. What three words complete this sentence?
Large, insoluble, broken.
Digestive _________ are produced in glands like the ________ gland or the ________ which break down food. What three words complete the sentence?
Enzymes, Salivary, Pancreas.
Enzymes break large, _______ molecules into small and ________ ones, mainly in the small intestine and ________. The _____ _______ is where most of the nutrients are absorbed into the ______ ________. Complete the sentence with correct wording.
Insoluble, Soluble, Stomach, Small Intestine, Blood Stream.
The liver is another organ associated with digestion, it produces bile, which aids digestion in two ways, Name and describe these two ways.
1) Bile emulsifies lipids for enzymes to be able to break them down more easily.
2) Bile creates an optimal pH for the function of lipase enzymes allowing them to work at a faster rate.
Carbohydrates like Glucose that contain only one sugar are called?
Simple Sugars.
List the chemical formula for Glucose.
C6H12O6
Complex carbohydrates like starch are made up of _____ _______ of sugars bonded together. Finish the sentence with two words.
Long chains.
Lipids are _____ in solid form and ____ in liquid form. They are the most efficient store of energy in our body. They are important stored of energy and help build organelles like ____ _______. Finish the sentence with appropriate wording.
Fats, Oils, Cell Membranes.
Proteins are the building blocks of cells in the body and are created by _________. They also make up _______. Finish the sentence with two words.
Ribosomes, enzymes.
Proteins are made from long chains of _____ _____. There are different types of these, each with different types of bonds between them. Complete the sentences with appropriate wording.
Amino acids.
The bonds that hold amino acids together are very sensitive to changes in ____________ and __ and thus ________ easily. Finish the sentence with the correct terms.
Temperature, pH, denature.