Junior Secondary · 8-9 · Science
What is the basic unit of life called?
A cell
What is the control center of a cell, containing DNA, called?
The nucleus
What body system is responsible for pumping blood?
The circulatory system
What body system is responsible for breaking down food?
The digestive system
What organ is the primary organ of the respiratory system?
The lungs
Free, offline, no account needed — runs entirely in your browser.