groups of cells that together carry out a particular function.

groups of organs that together carry out a particular function.

the smallest functional units of all living things.

only found in animals.

cells.

organs.

body systems.

organisms.

the liver.

the heart.

the bladder.

the large intestine.

circulatory system.

nervous system.

excretory system.

digestive system.

groups of cells that together carry out a particular function.

groups of tissues that together carry out a particular function.

groups of body systems that make up an organism..

unicellular.

circulatory.

respiratory.

digestive.

excretory.

Tissues

Organs

Cell membrane

Cells

More tissue

Organs

Limbs

Tissue

Organ Systems

The Human Body

Cells --> organs --> organ systems --> tissues --> organ systems

Tissues --> cells --> organs --> organ systems --> organisms

Cells --> tissues --> organ systems --> organs --> organism

Cells --> tissues --> organs --> organ systems --> organism

They aren't called heart cells

They fatigue a lot less quickly than normal muscle cells

They don't have to be told when to contract

They don't need to be told when to increase/decrease volume of contractions

Muscle

Glandular

Epithelial

Cardiac