Grade 8Sciencequiz16 questions

Body systems

Grade 8: digestive system, circulatory system, respiratory system, nervous system.

Free to play. Teams answer on one screen; your phone is the remote. No student devices.

Questions

Where does most chemical digestion of food finish and nutrient absorption happen?
- Large intestine
- Oesophagus
- Small intestine
- Stomach
Show answer
Small intestine
Which organ produces bile?
- Liver
- Pancreas
- Small intestine
- Stomach
Show answer
Liver
The stomach is where most nutrients are absorbed into the blood. (True or false?)
Show answer
False
What is the name of the muscle movement that pushes food along the gut? (Answer out loud)
Show answer
Peristalsis
Which blood vessels carry blood away from the heart?
- Arteries
- Capillaries
- Valves
- Veins
Show answer
Arteries
Which part of the blood carries oxygen?
- Plasma proteins
- Platelets
- Red blood cells
- White blood cells
Show answer
Red blood cells
Blood in the pulmonary vein is rich in oxygen. (True or false?)
Show answer
True
How many chambers does a human heart have?
- Five
- Four
- Three
- Two
Show answer
Four
Where does gas exchange take place in the lungs?
- Alveoli
- Bronchi
- Diaphragm
- Trachea
Show answer
Alveoli
When you breathe in, what does the diaphragm do?
- Contracts and moves down
- Contracts and moves up
- Relaxes and moves down
- Relaxes and moves up
Show answer
Contracts and moves down
Which gas do we breathe out more of than we breathe in? (Answer out loud)
Show answer
Carbon dioxide
Which organ is the control centre of the nervous system?
- Brain
- Heart
- Nerve ending
- Spinal cord
Show answer
Brain
What is the name of a nerve cell?
- Nephron
- Neuron
- Neutron
- Platelet
Show answer
Neuron
A reflex action is controlled mainly by the spinal cord, without thinking first. (True or false?)
Show answer
True
What is the gap between two neurons called? (Answer out loud)
Show answer
Synapse
Which neurons carry messages from the brain to muscles?
- Motor neurons
- Receptor neurons
- Relay neurons
- Sensory neurons
Show answer
Motor neurons

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