Micron (µm)

(a)  

Microorganisms

(a)  

mineral salts/minerals

(a)  

Mitochondria

(a)  

Multicellular

(a)  

Neurones (nerve cells)

(a)  

Nucleus

(a)  

Organ

(a)  

Organ system

(a)  

Organism

(a)  

Palisade cells

(a)  

Phloem

(a)  

photosynthesis

(a)  

plasma

(a)  

or RBG

Red blood cells

(a)  

Root hair cells

(a)  

Respiration

(a)  

Specialized cells .

(a)  

vacuole

(a)  

WBC or white blood cells

(a)  

xylem

(a)