1 Five patients have just arrived at the hospital. Karis: very pale, hardly breathing

Amarjit: pale, no pulse
Nadeen: back pain, can't move
Ali: very weak, keeps being sick
Simon: leg bone sticking out

a Decide which organ system isn't working properly in each patient.

b Decide which two patients should be treated first and explain why. I

label a cell membrane

label b cytoplasm

label c ribosomes

label d dna

the membrane forms the outside of the cell

cytoplasm is the liquid within

ribosomes are the components within that distribute rna

the dna is the genetic make-up

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds