1) How does our body remove waste through the skin? a) Through the urine. b) Through the blood. c) Through the alveoli. d) All the asnwers are wrong. 2) How does oxygen travel from the heart to the rest of the body? a) Pulmonary circuit b) Systemic circuit c) Respiratory system d) It doesn't travel 3) How does the excretory system help keep our body clean? a) Filtering the blood b) Producing urine c) Producing sweat d) All the answers are correct. 4) Name two waste products the excretory system removes. a) Sweets and urine. b) Carbon dioxide and nutrients c) Urine and carbon dioxide d) Sweat and urine. 5) What are the smallest tubes that carry blood called? a) Arteries b) Capillaries c) Veins d) Ureters 6) What are the three types of blood vessels? a) Arteries, veins and ureters b) Veins, arteries and caterpillars. c) Arteries, veins and urethra d) Arteries, veins and capillaries. 7) What does blood carry to the rest of the body? a) Plasma b) faeces c) Red, white and blue cells d) Nutrients, waste and blood cells. 8) What gas do we exhale when we breathe out? a) Oxygen b) Carbon dioxide 9) What gas do we inhale when we breathe in? a) Oxygen b) Carbon dioxide 10) What happens if the kidneys don’t work properly? a) We need to drink more water b) We don't have to worry c) We need to do exercise d) We need to go to the hospital 11) What is sweat made of? a) Sweet and urine b) Sweet and candies c) Waste d) Waste and water 12) What is the main function of the circulatory system? a) Take in oxygen and expel carbon dioxide b) Absorb nutrients and expel faeces c) Carry gases, nutrients and waste to all the body. d) Filter the blood and produce urine 13) What is the main function of the excretory system? a) Take in oxygen and expel carbon dioxide b) Absorb nutrients and expel faeces c) Carry gases, nutrients and waste to all the body. d) Filter the blood and produce urine 14) What is the main function of the respiratory system? a) Take in oxygen and expel carbon dioxide b) Absorb nutrients and expel faeces c) Carry gases, nutrients and waste to all the body. d) Filter the blood and produce urine 15) What is the main function of the digestive system? a) Take in oxygen and expel carbon dioxide b) Absorb nutrients and expel faeces c) Carry gases, nutrients and waste to all the body. d) Filter the blood and produce urine 16) What is blood made of? a) Blood b) Blood cells c) Plasma d) Plasma and blood cells 17) What is the name of the tiny air sacs in the lungs? a) Bronchioles b) Bronchiolitos c) Alveolitos d) Alveoli 18) Where are the vocal cords? a) Nasal cavity b) Pharynx c) Larynx d) Trachea e) Bronchi f) Alveoli 19) What is the tube that connects the larynx to the bronchi? a) Nasal cavity b) Pharynx c) Larynx d) Trachea e) Bronchi f) Alveoli 20) Where does the exchange of gases happen? a) Nasal cavity b) Pharynx c) Larynx d) Trachea e) Bronchi f) Alveoli 21) What part belongs to the repiratory and digestive system? a) Nasal cavity b) Pharynx c) Larynx d) Trachea e) Bronchi f) Alveoli 22) Where is the air moisten? a) Nasal cavity b) Pharynx c) Larynx d) Trachea e) Bronchi f) Alveoli 23) What is the tube that connects the trachea to the lungs? a) Nasal cavity b) Pharynx c) Larynx d) Trachea e) Bronchi f) Alveoli 24) What organ is covered by hard rings? a) Nasal cavity b) Pharynx c) Larynx d) Trachea e) Bronchi f) Alveoli 25) What organ pumps blood through our body? a) Heart b) Blood vessels c) Systemic organs d) Pulmonary organs 26) Why is it important to drink water for the excretory system? a) To produce sweet b) To produce sweat c) To produce urine d) B and C are correct 27) Where does respiration start? a) Mouth b) Nasal cavity c) Alveoli d) Diaphragm 28) What organ eliminates the urine? a) Uterus b) Ureterus c) Uthera d) Urethra

NUTRITION FUNCTION 5TH GRADE

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