Inside Living Things part 2

-an organism of microscopic size, such as a virus or single bacteria cell...

• digestive system

• disease

• microorganism

• chloroplast

-the liquid part of blood in which blood cells flow...

• disease

• plasma

• circulatory system

• oxygen

--a group of cells in an organism that is similar in form and function...

• artery

• muscle

• tissue

-a cell part that stores water, nutrients and waste...

• circulatory system

• disease

• vacuole

-a blood vessel that carries blood back from the body's cells...

• vein

• artery

• cell

• cell wall

-the cell part that controls a cell's activities...

• mitochondria

• disease

• nucleus

• cell wall

-a medicine made of weak or dead microbes that teach the body to fight stronger microbes of the same type...

• pulse

• vaccine

• immune

  system

-cell parts that produce energy...

• cell membrane

• unicellular

• mitochondria

• body system

-the process that plants use to make their own food...

• capillary

• artery

• pore

• photosynthesis

-a substance in food or soil that organisms need to live, stay healthy and grow...

• virus

• nutrient

• oxygen

• organ