science ch. 4

What is the smallest living part of an organism?

• nucleus

• cell

• organ

• nerve

What is the control center of a cell that directs the cell's activities?

• cell wall

• melanin

• organism

• nucleus

A group of tissues working together to do a job is called what?

• organism

• cell

• organ

• cytoplasm

What is the largest organ in the body?

• skin

• lungs

• heart

• stomach

A living thing is called a what?

• cell

• amoeba

• nucleus

• organism

A tool used to see tiny things is called what?

• telescope

• microscope

• beaker

• magnifying glass

What are two types of tissue in your body

• nerve

• kleenex

• muscle

• organism

The lungs, heart, stomach and brain are all examples of what?

• bones

• muscles

• tissue

• organs

How is a plant cell different from an animal cell?

• Animal cell has a cell wall

  (plant does not)

• They are the same

• plant cell has a cell wall

  (animal does not)

• plant cell doesn't have a cell membrane

What is one way the body is cooled by?

• sitting by a fire

• releasing oil from oil glands

• melanin

• releasing sweat from pores