True or false
Cells are building blocks of all living things .
True
Which scientist used a simple light microscope and saw microorganisms in pond water ?
Leeuwenhoek
What does respiratory system includes ?
Nose , throat , voice box , windpipe,Airways and lungs.
What is the most important organ in the circulatory system ?
Heart
What is microscope used for ?
To magnify small objects
Mitochondria is not the powerhouse of the cell.
False
Which piece of technology was instrumental in the development of the cell theory ?
Microscope
What protects the lungs ?
The Ribs
What is the largest artery in the body ?
Aorta
What microscope can see blood cells ?
Compound microscope
Vacuoles stores food ,water and waste .
True
Which scientist found that all plants are made of cells ?
Schleiden
What protects the brain ?
Skull
Name four major components of circulatory system.
Heart , Arteries , Veins , blood.
Who is the father of microscope ?
Antoni van Leeuwenhoek
Cell membrane is the outer layer of the cell and protects the cell from outside environment.
True
Which scientist was the first to describe "cells" after seeing spaces in cork ?
Hooke
How many organs are in respiratory system ?
6 organs
What is circulatory system and its function?
Circulatory system carries oxygen, nutrients, and to cells, and removes waste products, like carbon dioxide.
When was the microscope invented ?
Around 1590
Cytoplasm does not protects the organelles .
False
The theory that all cells come from other cells disproved the idea of___________.
Spontaneous generation
What vitamin is good for respiratory system ?
Vitamin A
What is the main vein ?
Vena cava
How much is a real microscope ?
Between $400 and $5000