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Calderglen High School Science Department The Human Body Homework Booklet Do not write on this booklet and return it to your teacher when you have completed this topic of work. Booklet Number 1 Homework Exercise 1 1. What is the heart made of? (1) 2. What is the job of the heart? (1) 3. Name the parts labelled A,B and C (3) A C B Right side Left side 4. Which side of the heart contains the oxygenated blood? (1) 5. David’s pulse rate is 60 beats per minute. What is his heart rate? .............bpm 6. A pupil has a heart rate of 18 beats in 10 seconds. What is their heart rate per minute? (1) (1) 2 7. Read the following passage about the stethoscope A stethoscope is used by a doctor to listen to a patient’s heart and lungs. The stethoscope has plastic ear pieces which fit into the doctor’s ears. The part called the chest piece is placed on the skin near the heart and this allows the doctor to listen to the heartbeat. The flexible rubber tubing carries sounds from the chest piece to the doctor’s ears. A C B Copy and complete the following table by matching a statement from the passage to the correct part of the stethoscope labelled A, B or C Part of the stethoscope Correct statement from the passage A B C (3) Total marks = 11 End of Homework Exercise 1 3 Homework Exercise 2 1. What is blood pressure? (1) 2.(a) What piece of equipment is used to measure blood pressure? (1) (b). Briefly describe how you used this piece of equipment to measure your partner’s blood pressure. (2) 3. State two changes a person could make to the way they live to reduce the chances of having a heart attack. (2) 4. The human body is made of different types of tissue. The table shows the percentage of body mass made up of different types of tissue. Types of tissue Skin Muscle Bone Blood Percentage of body mass (%) 18 42 16 8 Present this information as a bar chart Types of tissue (3) 4 5. In a survey, pupils were asked how often they exercise. The results are shown in the pie chart. Every day Twice a week Once a week Don’t exercise (a) What percentage of pupils exercise every day? (1) (b) There were 60 pupils in the survey. How many pupils exercise twice a day? (1) 6. What is the function of a defibrillator? (1) Total marks = 12 End of Homework Exercise 2 5 Homework Exercise 3 1. What is the function of the lungs (1) 2. Which structure protects the lungs? (1) 3. The diagram below represents parts of the breathing system B A C E D Which letter represents (i) the windpipe (ii) the bronchus (iii) a lung (iv) an air sac (4) 4. Name the structure that moves air into and out of the lungs. (1) 5. Name the gas which moves from the lungs into the blood. (1) 6 6. In a six month period, A doctor recorded the number of patients that had attended the surgery with a breathing system infection. The graph below shows the different parts of the lungs that have been infected. Look at the graph below and answer the following questions (a) Which area of the breathing system was treated 34 times? (1) (b) What is the total number of air sac and lung infections treated? (1) Number of injuries treated bronchi air sac windpipe lung infected area Total marks = 10 End of Homework Exercise 3 7 Homework Exercise 4 1. Examine the diagram of the human mouth: a) Which teeth would be important if you were taking a bite from an apple? b) The “Wisdom teeth are the last to develop and appear at the back of the mouth. What kind of teeth are the wisdom teeth? c) Given that the teeth on the upper jaw are the same number and type as the lower jaw, calculate the total number of teeth. d) What two types of teeth are used for grinding your food? (4) 2. Write out the letters in the order of decay: P R S T (2) 8 3. Use words from the word bank to copy and complete the written stages of tooth decay: Word bank: Enamel plaque sugary nerve dentine bacteria pulp acid food cavity (4) End of Homework Exercise 4 Total marks = 10 9 Homework Exercise 5 1. (a) How many female students exercise daily? (b) Which individuals, between male and female students, are more likely to exercise daily? (c) What is the total number of female students who exercise once a week or more? (3) 10 2. Write down the letter of the most likely option to finish this statement about the brain: “A victim of a car accident receives an injury to the cerebrum of his brain. Doctors expect that he may have A problems with memory B problems with balance C problems controlling his heart rate” 3. (1) Put the letters in the table to show the correct order of the stages of a reflex: P - Finger touches hot object T - Brain sends messages to muscles Q - Brain processes the information S - Skin sends messages to brain R - Muscles pull hand away from hot object. (3) 4. A nervous reflex is a fast response to a dangerous stimulus. What is the advantage of the fast speed of the response? (1) 5. Identify two reflex responses from the list of responses below and write down the corresponding letters: A B C D Moving your hand from a hot object Talking to a friend The pupils of your eyes get smaller in bright light You might turn on the heating if you feel cold (2) End of Homework Exercise Total marks = (10) 11