My Body part 1

The organs that are present inside the body are called ________

• internal organs

• external organs

The number of bones that form an adult human skeleton is ____

• 405

• 206

The process by which food is broken down into simple, useful substance that can be used by the body is called ___________.

• Circulation

• Digestion

The soft and fleshy parts attached to the bones are called_______

• muscles

• tissues

Which of the following is an organ of the respiratory system

• stomach

• lungs

The respiratory system helps take in __________ gas that the body needs to function properly.

• carbon dioxide

• oxygen

_____________ gas is a waste that is produced in the body.

• Carbon dioxide

• Oxygen