BTEC Level 3 Applied Science Unit 1 – examiners report: Achieves P5‚ M2 needs to discuss different tissue types to achieve D2. In this essay I will include information regarding: cell differentiation‚ the functions of various cell organelles‚ tissues and a comparison of different tissue types. Cellular differentiation is the process by which a less specialised cell becomes a more specialised cell type. Differentiation happens a number of times during the development of a multicellular organism as
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and she has been experiencing muscle sorenss 24 to 72 hours after her initial workout. Tommy is a shot put athlete‚ who probably participates in advanced weight lifting workouts. Sarah thinks hyperplasia may be the cause of her severe muscle soreness. Hyperplasia is where the splitting of muscle fibers cell as a response to resistance training. Hyperplasia also allows for muscles to adapt to the resistance‚ and grow in size or increase in strength. Delayed onset muscle soreness is he a result of microscopic
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Muscles are group of tissues that covers our whole body‚ and acts as a sponge-bed for our bones. In addition‚ it prevents our bones from getting easily injured. Moreover‚ in a living body it acts as a store house of energy. Also‚ it helps our body in the movement. And‚ it also provides the essential flexibility to our body. However‚ muscle cramp is a condition in which it contracts involuntarily‚ and does not return to normalcy. The home remedies for muscle cramps relieve the unnatural contraction
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Muscular System: Muscle Metabolism 1. List the three roles of ATP in muscle contraction: 1. _Energize the power stroke of the myosin cross bridge. 2. _Disconnecting the myosin head from the binding site on actin at the conclusion of a power stroke. 3. _Energizing the calcium ion pump. 2. The potential energy in ATP is released when the terminal high-energy bond is broken by a process called hydrolysis. Write the end products of this process: ATP (+ H2O) (
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The Human Skeletal System Introduction The human skeletal system is comprised of both fused and individual bones; supported and supplemented by ligaments‚ tendons‚ muscles and cartilage. The skeletons purpose is to protect and support the delicate internal organs and provide a framework that allows the body to stand upright and move. It also produces blood cells and stores minerals that our body needs to function effectively. The skeletal system is a very important part of the human body. Without
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Skeletal System The human skeletal system performs a number of key functions in the human body. The key functions of the human skeletal system are: Support: Our bones provide the rigidity we need to function. Protection: The rigidity of our bones allows them to protect our internal organs from damage for example the rib cage and the skull. Movement: Without the strength of our bones we wouldn’t be able to move our muscles are anchored to our bones. Storage: Our bones are a storehouse for fat
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The action of ANS-related drugs on smooth muscle Introduction In the following experiment‚ the key objective is to compare the mechanical changes in tonic force by longitudinal smooth muscle after the addition of different concentrations of the drugs noradrenaline and acetylcholine. Peristalsis is the wave of muscle contractions that allow circular muscles to constrict the gut and longitudinal muscles to shorten it in an attempt to move the food bolus towards the rectum. A series of dilutions
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1.The atria does not perform any contractions since it is directly linked to the SA node. The SA node is being blocked was causes no signals to be sent to the atria muscle‚ resulting in no contraction of it. On the other hand‚ there will be contraction at 40 times per minute for the atrioventricular because this node has its own pacemaker which will allow it to spontaneously contract by depolarizing without any other signal or stimulus--thus‚ even though the SA node signals are blocked‚ the ventricles
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Muscle Description Muscles of the Head: Facial Expression Origin Insertion Action bipartite muscle‚ Epicranius:includes frontalis connected by galea & occipitalis aponeurotica covers forehead‚ no bony attachments galea aponeurotica skin of eyebrows and root of raises eyebrows (as in surprise); nose wrinkles forehead skin horizontally Occipitalis back of head occipital and temporal bones galea aponeurotica pulls scalp posteriorly Corrugator supercilii
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1. Which of the following is NOT one of the functions of the cardiorespiratory system? Student Response Correct Answer Feedback A. To transport oxygen B. To pick up waste products C. To transport nutrients D. To produce ATP Score: 2.5/2.5 2. A typical resting heart rate for a normal individual is around Student Response Correct Answer Feedback A. 30bpm B. 100bpm C. 60bpm D. 200bpm Score:
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