Obtaining Energy and Removing Waste

Complete the sequence of digestion below:

Mouth-->Esophagus-->__________-->__________-->Large Intestine

• Liver, stomach

• stomach, large intestine

• stomach, small intestine

• small intestine, stomach

Peristalsis refers to ____________.

• absorption of food in the small intestine

• digestion of food in the stomach

• movement of food through esophagus

• movement of food through the mouth

Which organ system collects and remove waste in the body?

• excretory system

• circulatory system

• nervous system

• digestive system

The waste in the body must be removed in order to ___________. Choose all that correct.

• maintain normal processes of internal organs

• remove toxic substances

• maintain homeostasis

• level the fluid in the body

Breaking of food into smaller pieces, in the mouth, is an example of _____________.

• mechanical digestion

• chemical digestion

Chemical digestion happens in the _______ with the help of gastric juice.

• stomach

• small intestine

• villi

• large intestine

Villi contain a lot of blood vessels that help in _________.

• removing of waste

• absorption of food

• digestion of food

• swallowing of food

Absorption of food happens in the ____________.

• esophagus

• stomach

• small intestine

• large intestine

Organs of the digestive system are__________. Choose all that correct

• mouth

• esophagus

• small intestine

• heart

What materials are needed in the photosynthesis?

• water

• carbon dioxide

• glucose

• oxygen

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3