Levels of Organization and the Skin

A living thing that is made up of organ systems.

• cell

• tissue

• organ

• organ system

• organism

The smallest unit of a living thing containing organelles and a nucleus.

• cell

• tissue

• organ

• organ system

• organism

Groups of similar cells that work together to perform a function/job. Blood is an example, as are your muscles.

• cell

• tissue

• organ

• organ system

• organism

Which is the correct order for levels of organization from simple to complex?

• cell, organ , tissue, organ system, organism

• organism, organ system, tissue, cell, organ

• cell, tissue, organ, organ system, organism

• organ, tissue, cell, organism, organ system

This is an independently functioning living thing made up of a network of organ systems.

• organelles 
• population
• organism
• cells

Muscle tissue contracts the heart, keeping blood moving. Epithelial tissue creates a smooth lining within the heart. The heart is a(n) ________________ because it contains 2 or more different kinds of tissues that work together.

• cell

• organ system

• organ

• tissue

The veins and arteries along with the heart working together to move blood throughout the body is a(n) example of ........

• organ

• organ system

• tissue

• cell

When food leaves the stomach, it enters the small intestine followed by the large intestine. These organs working together to use the nutrients from food is a(n) example of........

• organ system

• cells

• organ

• tissue

What is the oldest layer of skin called?

• callus

• epidermis

• dermis

• hypodermis

What is the oily substance that comes from a gland usually next to a hair follicle? It helps to make the skin waterproof.

• seaweed

• callus

• sebum

• skin