Empieza por A

__________ carry a lot of oxygenated blood away from the lungs and then the heart.

Empieza por B

A liquid produced in the liver

Empieza por C

The heart acts like a pump. It has four __________

Contiene la D

They connect the heart to the rest of the body. There are two types: arteries and veins. ____ _____ ______

Contiene la E

They carry small quantities of blood which contains carbon dioxide back to the lungs.

Empieza por F

The solid waste that remains forms solid lumps are called

Contiene la G

Contiene la H

The food travels down the esophagus to the stomach.

Contiene la I

The lungs are connected to the bronchi. The bronchi branch into millions of smaller tubes, or ___________ here in the lungs.

Empieza por J

Contiene la K

Food that contains high levels of sugar or fats is called ______food

Empieza por L

Empieza por M

The teeth crush the food and then mix it with saliva.

Contiene la N

They pass into the rectum, where they’re stored. Finally, they are expelled through the __________

Contiene la O

These two smaller tubes connect the trachea to the lungs.

Contiene la P

Contiene la R

Empieza por S

Here the food mixes with bile from the liver. Nutrients are absorbed here and they pass into the blood ______ _______.

Empieza por T

Empieza por U

The blood passes through our kidneys. They filter the blood, removing extra water and waste, forming a liquid called

Contiene la V

It produces a liquid called bile that helps break down food.