Human Body Systems
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
The Digestive System
SubtopicThe Digestive System under Human Body Systems for Grade 7 IB.
Preview questions (no answers)
- 1.
Where is the stomach located in the human body?
A.In the lower right abdomen
B.Behind the lungs
C.In the neck
D.In the upper left side of the abdomen
- 2.
Why is chewing food important for chemical digestion?
A.It adds more water to the food
B.It makes the food taste better
C.It increases the surface area of food for enzymes to work on
D.It removes sugar from the food
- 3.
Which type of chemical substance speeds up the breakdown of food molecules?
A.Hormones
B.Enzymes
C.Antibodies
D.Vitamins
Download the worksheet for Human Body Systems - The Digestive System to practice offline. It includes additional chapter-level practice questions.
The Respiratory System
SubtopicThe Respiratory System under Human Body Systems for Grade 7 IB.
Preview questions (no answers)
- 1.
Which gas makes up the largest percentage of the air that we breathe in and out?
A.Oxygen
B.Carbon dioxide
C.Nitrogen
D.Water vapor
- 2.
What is the purpose of the 'yawn' reflex?
A.To remove food from the throat
B.To take in a large amount of oxygen quickly
C.To stop the heart
D.To help with digestion
- 3.
What is the main substance that lines the trachea to trap dirt and pathogens?
A.Water
B.Mucus
C.Blood
D.Saliva
Download the worksheet for Human Body Systems - The Respiratory System to practice offline. It includes additional chapter-level practice questions.
The Circulatory System
SubtopicThe Circulatory System under Human Body Systems for Grade 7 IB.
Preview questions (no answers)
- 1.
Which of these describes the shape of a human red blood cell?
A.A long thin string
B.A flat biconcave disc
C.A perfect sphere
D.A star shape
- 2.
Which part of the blood is responsible for carrying dissolved glucose (sugar) from the small intestine to the body's cells?
A.Red blood cells
B.White blood cells
C.Platelets
D.Plasma
- 3.
What do we call the force of the blood pressing against the inside walls of the arteries?
A.Blood pressure
B.Heart rate
C.Pulse
D.Diffusion
Download the worksheet for Human Body Systems - The Circulatory System to practice offline. It includes additional chapter-level practice questions.
Nutrients and Malnutrition
SubtopicNutrients and Malnutrition under Human Body Systems for Grade 7 IB.
Preview questions (no answers)
- 1.
Which of the following contains the highest percentage of water?
A.A peanut
B.A watermelon
C.A slice of dried beef
D.A piece of cheddar cheese
- 2.
What happens if you consume more fat-soluble vitamins (like A and D) than your body needs?
A.They are immediately washed out in urine
B.They are stored in the body's fat tissues
C.They are turned into carbohydrates
D.They are used to make blood cells
- 3.
Which of these is a symptom of Marasmus, a form of severe malnutrition?
A.Strong muscles
B.Severe weight loss and thinning of tissues
C.Excessive height
D.Bright orange skin
Download the worksheet for Human Body Systems - Nutrients and Malnutrition to practice offline. It includes additional chapter-level practice questions.
Impact of Lifestyle on Health
SubtopicImpact of Lifestyle on Health under Human Body Systems for Grade 7 IB.
Preview questions (no answers)
- 1.
Which of the following is the most effective way to improve your overall fitness over time?
A.Doing exercise once a month
B.Being consistent with regular physical activity
C.Only exercising when you feel like it
D.Watching sports on television
- 2.
What is the benefit of having a hobby or engaging in social activities for health?
A.It increases physical strength only
B.It supports mental and emotional well-being
C.It helps the body store more sugar
D.It prevents the need for sleep
- 3.
How does maintaining a healthy weight affect the joints in the body?
A.It increases the pressure on the knees
B.It reduces the stress and wear on the joints
C.It makes the joints stiffer
D.It has no effect on bone health
Download the worksheet for Human Body Systems - Impact of Lifestyle on Health to practice offline. It includes additional chapter-level practice questions.