Science Ch. 3: Human Body

_______ are a pair of bean-shaped organs, located in middle of the back, that filter waste.

True or False: Food arrives to the large intestine before the small intestine.

True or False: Plants are easier to digest than meats.

A dialysis machine filters out extra waste and fluid and _____ return clean blood to the body.

Which of the following is an example of a carbohydrate?

Why does your pulse get faster when exercising?

The muscular organ that stores food and mixes it into a soupy mix is the __________

Your ______ rate is faster when you exercise then when you are resting.

This system moves gases into and out of the body.

Whose digestive system is longer and more complex: meat eaters or plant eaters?

Very, very thin blood vessels are called ____________. 

The _____ system carries oxygen and nutrients to all of the cells of your body. 

If both kidneys fail, you need to help of a _______ machine.

Before running a race, a runner should eat _______ because they are a great source of energy.

The _____ system works to break down food into smaller pieces the body can use. 

The _____ is the muscular tube that pushes food towards the stomach.

Both alveoli and _____ involve getting oxygen into the body.

The ______ is the muscular organ at the center of the circulatory system.

Muscles in the ______ and _______ are needed to push and mix food in the digestive system.

Enzymes in saliva change ________ to ___________. 

The blood vessel that carries blood away from the heart is  the ___________. 

The _____ system removes waste and maintains water balance in the body.

The blood vessel that carries blood back to the heart is the _________.