This is the smallest level of organisation in living things.
Cell
This organ pumps blood around the body.
Heart
This organ breaks down food using acid.
Stomach
Humans breathe in this gas.
Oxygen
8 x 9
72
In between "cells" and "organs"
Tissue
Blood carries this gas from the lungs to body cells.
Oxygen
Digestion begins in this body part.
Mouth
This waste gas is breathed out.
Carbon dioxide
Miss Bautista's race/ ethincity
Filipino
This level is made of different tissues working together.
Organ
These vessels carry blood away from the heart.
Arteries
Most nutrients are absorbed in this organ.
Small intestine
Definition of 'respiratory'
How we breathe
The name of the current pope
Pope Leo XIV
Specialised cells are...
Cells with specific functions and structures
The circulatory system works closely with this system to supply oxygen.
Respiratory system
This system works with the digestive system to deliver nutrients around the body.
The circulatory system
Tiny air sacs in the lungs where gas exchange occurs are called these.
Alveoli
Population of Sydney
5.63 million (accepting 5 & 6 mil)
"Unicellular organisms have organs" (T/F)
False! (They are made up of one cell)
This component of blood helps fight infection.
White blood cells
Heterotrophs means...
Unable to produce our own food - we obtain it from other sources
This muscle below the lungs helps breathing occur.
Diaphragm
This animal can sleep for up to 20 hours a day and somehow still looks exhausted.
Koala