6th grade human body and health

Question 1

A cyclist is training for a long race. Which nutrient should form most of their extra energy?

• A. water
• B. vitamins
• C. fibre (fiber)
• D. carbohydrates

Question 2

A portion of noodles contains 11 g of carbohydrate, 3 g of protein and 6 g of fat. Carbohydrate and protein each release 17 kJ per gram; fat releases 37 kJ per gram. How much energy does it provide, in kJ?

Answer kJ

Question 3

After a salty meal, your kidneys produce less urine. Which system is responding?

• A. excretory (urinary) system
• B. respiratory system
• C. skeletal system
• D. digestive system only

Question 4

Organ systems: which statement is NOT true?

• A. Each organ system works completely on its own.
• B. Organ systems work together to keep the body alive.
• C. The brain and spinal cord form the central nervous system.
• D. The heart is part of the circulatory system.

Question 5

Which nutrient group matches this: store energy and keep the body warm?

• A. lipids (fats and oils)
• B. proteins
• C. fibre (fiber)
• D. vitamins and minerals

Question 6

Which organ system is this: stomach and intestines?

• A. respiratory system
• B. excretory (urinary) system
• C. circulatory system
• D. digestive system

Question 7

A sailor long ago ate no fresh fruit or vegetables for months and got bleeding gums (scurvy). What was missing?

• A. protein
• B. vitamin C
• C. fibre (fiber)
• D. fat

Question 8

A portion of noodles contains 39 g of carbohydrate, 6 g of protein and 7 g of fat. Carbohydrate and protein each release 17 kJ per gram; fat releases 37 kJ per gram. How much energy does it provide, in kJ?

Answer kJ

Question 9

Glucose from a meal ends up in a leg muscle. Which two systems moved it there?

• A. excretory, then skeletal
• B. nervous, then digestive
• C. respiratory, then nervous
• D. digestive, then circulatory

Question 10

Organ systems: which statement is NOT true?

• A. The heart is part of the circulatory system.
• B. The kidneys remove urea from the blood.
• C. Each organ system works completely on its own.
• D. The brain and spinal cord form the central nervous system.

Question 11

Which nutrient group matches this: found in beans, eggs and fish?

• A. proteins
• B. lipids (fats and oils)
• C. vitamins and minerals
• D. fibre (fiber)

Question 12

Which organ system is this: bones, joints and muscles?

• A. circulatory system
• B. excretory (urinary) system
• C. skeletal and muscular systems
• D. respiratory system

Question 13

A teenager eats lots of white bread and sweets but few vegetables, and has constipation. What should they add?

• A. more salt
• B. more sugar
• C. more fat
• D. more fibre (fiber)

Question 14

A sandwich contains 25 g of carbohydrate, 7 g of protein and 9 g of fat. Carbohydrate and protein each release 17 kJ per gram; fat releases 37 kJ per gram. How much energy does it provide, in kJ?

Answer kJ

Question 15

After a salty meal, your kidneys produce less urine. Which system is responding?

• A. skeletal system
• B. digestive system only
• C. excretory (urinary) system
• D. respiratory system

Question 16

Organ systems: which statement is NOT true?

• A. The heart is part of the circulatory system.
• B. The brain and spinal cord form the central nervous system.
• C. The skeleton has no job except holding the body up.
• D. The kidneys remove urea from the blood.