Cells to Systems

Cells to Body Systems

S7L2 b&c

Fill in the Blank

Your body has many organs, such as a heart and a(n)_______

Fill in the Blank

Plant organs include stems and_______

Open Ended

Animal and plant organs are organized into organ systems, thus resembling the way you organize your homework in_________

Open Ended

Unicellular organisms are made up of just one cell that performs all of the functions necessary for life. What are some advantages and disadvantages of being unicellular?

Cells

• The smallest living unit

• Specialized for specific functions

Multiple Choice

Specialized cells have different structure because they have different ___________.

• functions

• organelles

• genetic material

• cytoplasm

Tissues

• Made of similar cells that work together

Open Ended

Plants have three types of tissue. Name them and their function.

Organs

• A collection of tissues that carries out a specialized function

Multiple Choice

Plants are made of organs

• True

• False

Open Ended

How do organs relate to cells and tissues

Organ Systems

• A group of organs that work together to perform body functions

Multiple Choice

It is responsible for the control of the body and communication among its parts. Main organs - brain, spinal cord, and nerves.

• Digestive System

• Nervous System

• Muscular System

• Respiratory System

Structure Determines Function

• Cells, tissues, and organs are specialized to perform specific functions

Systems at work

• Digestive System

• Respiratory System

• Excretory System

• Circulatory System

Delivering Nutrients

• The digestive system breaks down food

• The nutrients are absorbed into the blood

• Once in the blood, the nutrients are delivered to cells throughout the body

• 
  

Delivering Oxygen

• Oxygen is taken into an organisms by the respiratory system

• The circulatory system then carries the oxygen throughout the body

• 
  

Removing Wastes

• Skin, lungs, the digestive system, and the kidneys all have process for removing waste products from the body

• 
  

Multiple Choice

Which choice below shows the order of organization in an animal from simplest to most complex?

• organ system, organ, tissue, cell
• cell, tissue, organ, organ system
• tissue, cell, organ system, organ
• tissue, cell, organ system, organ

Multiple Choice

It transports oxygen, waste, nutrients, hormones, heat, etc... around the body. Main organs - heart, blood, blood vessels, and lymphatics.

• Respiratory System

• Endocrine System

• Circulatory System

• Excretory System

Multiple Choice

A group of similar cells that perform the same function.

• Cell

• Tissue

• Organ

• Body System

Multiple Choice

The basic unit of structure and function in a living thing.

• Body System

• Organ

• Tissue

• Cell

Multiple Choice

Which example best shows structures that make up the digestive system in the human body?

• heart, blood, vessels

• nose, trachea, lungs

• brain, spinal cord, nerves

• esophagus, stomach, intestines