Question

Which of the following is the basic building block of the body?


cell

tissue

organ

system
2.
A system is a group of organs that work together to perform a life function.

True
False
3.
What is the name of the tube that connects the nose to the lungs?


cilia

bronchus

trachea

alveoli
4.
Hairs in the nose work to filter out dust and dirt and keep the lungs clean.

True
False
5.
We breathe in carbon dioxide rich air and breathe out oxygen rich air.

True
False
6.
In the lungs, oxygen passes through the walls of the _

Answer 1

1. A cell is the basic building block of the human body.
2. True.
3. Trachea
4. True
5. False. It is actually the opposite way around.
6. Oxygen passes through the walls of the alveoli into capillaries.

Answer 2

Thanks toloaf!

Answer 3

No problem! ^^ Can I get a medal?