Human Body Systems

The path of digestion is...

What is the job of a heart valve?

Platelets clump together to form a ________.

The ________ holds/stores urine before it leaves the body.

During cellular respiration red blood cells drop off _____ & ______ to the cell's mitochondria

The ______ is a flap of tissue that covers the airway when you swallow, so you won't choke.

We get rid of liquid waste through which system?

__________ release chemicals in your mouth to help break down food.

White bloods cells...

__________ are the smallest blood vessels.

The part of the kidney where waste materials are separated from useful materials in the blood.

We get rid of solid waste through which system?

You have two of these and they fill with air when you inhale.

what happens in the alveoli?

Blood filled with oxygen leaves the lungs and goes back to the heart.

Waste from the food we eat moves from the small intestine to the _____________.

This organ is used in both the digestive and excretory systems.

These are tiny clusters of air sacs at the end of the bronchi covered with capillaries.

What does blood have in it?

Why do we have many organ systems in our bodies?

These are the two branches of the trachea that divide into even smaller branches.

digestion begins in the....

The folds in walls of the small intestine that absorb nutrients are called what?

Your body's transport systems are...

Air enters you body through your ____________.

________ carry blood to the heart.

The _________ turns food into a thick, soupy like liquid.

Nutrients from food passes to the blood in the ____________.

The _____________ works to pull your lungs up and down to let more air into them.

You inhale _________ and exhale ___________.

Mitochondria use the oxygen & suger to make....

Red blood cells flow in the capillaries covering the alvioli pick up oxygen and drop off _____

This organ filters waste out of the blood and produces urine.

Urine leaves the body through a tube called the ________.

The heart has ___ chambers or inside sacks.

Blood is pumped out of the heart to the body through the __________.

Blood first enters the heart in the _________.

Air travels down this strong tube that branches out and connects to the lungs.

Sweat is made up of water & salt and leaves the body through what?

The main job of the excretory system is to...

The main organ of the circulatory sytem is the...

Breaking food down into simpler substances that our body can use is called what?

The ____________ moves food from the mouth to the stomach.

_______ carry blood away from the heart.

The ______ is a large muscle that pushes/pumps blood througout the body.

_______ are the body's delivery trucks; they pick up and drop off materials.

The blood moves throught the heart to the lungs to pick up _______, and drop off _______.

What system is responsible for taking oxygen to your blood?