Cells
True or false: All living organisms are made of cells.
the type of tissue you blow your nose into
kleenex
A group of tissues working together
organ
dermis
A tool that is used to see tiny things
microscope
True or false: All cells can only be seen with a microscope.
False. Egg yolks are single cells.
A tissue is a group of ____ working together
cells
a group of organs working together
system
What is the epidermis made of?
dead skin cells
tiny pathways that carry messages between the brain and other parts of the body
nerves
What do plant cells have that animal cells do not
Cell wall
What are the two types of tissues?
muscle tissue and nerve tissue
the organ that helps you digest food
stomach
the coloring in your skin is called ______
melanin
the part of a dog that is different for each one, like fingerprints are for humans
noses
What are the three main parts of animal cells?
nucleus, cytoplasm, and cell membrane
the type of tissue that allows your body to move
muscle tissue
the organ that is the control center of the body
brain
One way the body is cooled is...
releasing sweat from pores OR widening the blood vessels
a single-celled organism that looks like a blob of jelly and lives in water
amoeba
What is the strand of coded information that is found in the nucleus of every cell?
DNA (deoxyribonucleic acid)
the type of tissue that carries messages between the brain and body
nerve tissue
the largest organ in the body
skin
hair follicles
this animal is known for laying eggs with a large yolk that is only made of one cell
ostrich