Topic 3 Human Body Systems

Chemical and electric signals both help the body control functions and respond to the environment.

This organ is where the main stages of nutrient absorption into the blood take place.

Any change or signal in the enviroment that can make an organism react in some way is called?

CNS stands for

Organs have more complex jobs than that of tissues.

Proteins that speed chemical reactions are called?

Arteries carry blood back to the heart

One of the main ways your body maintains homeostasis is by regulating temperature

Example of two systems working together:the digestive breaking down food-the nervous carrying the nutrients through body

Your vertebra is the same as your spinal cord

In the process of gas exchage oxygen passes into capillary walls into the bloodstream. Which gas is doing the opposite?

A ______ is an organ that produces and releases chemicals through ducts into the bloodstream

PNS stands for what?

The process of removing waste from the body is called

What is the largest organ in the human body

An involuntary reaction to a loud noise is called a

Your liver produces an enzyme called bile. Bile is stored in which small organ?

The respiratory and circulatory system make up what body system?

Where does mechanical digestion start?

The two body systems that maintain homeostasis

The brain is part of the CNS

Your body's defense system is also known as your...

Loop one of the cardiovascular system goes to the lungs where it receives.....

These are the raw materials the body's cells need to carry out all their essential processes

A neuron is....

What is the main structure of the circulatory system

You can use your notes on the test?

You will study for this test tonight

Bronchi and alveoli are both part of this body system.

The levels of organization in the body are cells, tissues, organs and organ systems.

What structure, inside your kidneys, helps to filter and remove waste from blood.

Different cells that perform different functions work together to to make a tissue.

The test is tomorrow Wednesday.

This is an energy rich compound that can be a sugar or a starch.

The junction where one neuron can transfer an impluse to another is called

A group of organs working together is a/an

There are enzymes found in your saliva that help break down food.

A response is an action or change in behavior as a result of a stimulus.

Which one of these is NOT a gland that produces a hormone

The process by which your body breaks down food into smaller nutrient molecules.

Your urinary bladder, lungs and skin are all involved in waste excretion.

How many major organ systems are there?

These small organs are tiny pieces of lung tissue that help the movement of gases between air and blood.

Instead of sending signals, your endocrine system releases these type of chemicals.

Which other body system works with the digestion system in order to move nutrients around the body?

Each body system is made up of smaller parts, with the smallest being?

Mechanical digestion and chemical digestion are the two main types.

Of the three blood vessels systems this one is the smallest

Hormones are produced and release by glands. What system helps to carry these chemicals around the body?