Human Body Systems ReviewTest 2/12/10

Structures of the Body

• Cell- basic building blocks of life; smallest part of your body

• Tissue- group of the same kind of cells working together

• Organ- a group tissues of different kind working together

• System- a group of organs working together

cell

tissue

organ

system

The human body system that supplies the blood with oxygen in order for the blood to deliver oxygen to all parts of the body, and removes carbon dioxide from the blood is called the….

Respiratory System

Respiratory System Components

• mouth• nose• trachea• lungs• diaphragm

Picture from NRI, Intl.

What is it called when you inhale oxygen and exhale carbon dioxide?

Respiration

If your respiratory system is unhealthy, how could that affect

your circulatory system?

The heart and lungs work together to bring oxygen into your body and take away carbon dioxide. If your respiratory system is unhealthy, your heart would have to work harder.

Keeping your Respiratory System Healthy

Exercise! Try to avoid air pollution!

Never smoke!Get good rest!

The human body system that breaks down food into energy is called the…

Digestive System

Digestive System Components

• mouth• teeth

• tongue• esophagus

• stomach• small intestines• large intestines

Keeping your Digestive System Healthy

Eat healthy food that is high in fiber like fruits and vegetables.

Drink plenty of water.

Exercise often.

The body system that moves the blood and its nutrients throughout the body

is called the…

Circulatory System

Components of the Circulatory System

• heart• blood

• arteries• veins

How do exercise and eating right help our respiratory, circulatory

and digestive systems?

The digestive system converts food to energy and that energy is used by the other systems in our body to function properly. If the body is given the highest quality of foods, then it will convert more useful energy for the body.

Exercise improves the condition of our respiratory and circulatory systems by increasing the lung capacity and heart rate.

Websites to help reinforce the body systems concepts:

• Learn about your heart• How the Body Works• Body Systems at Discovery Health

Keeping your Circulatory System Healthy

Avoid a lot of stress

Get plenty of rest

Watch your weight

Exercise often

Eat healthy food