Engagement

What is responsible for delivering oxygen and removing carbon dioxide from the body?

• cell nucleus
• excretory system
• nervous tissue
• respiratory system

The __________ is the main organ of the nervous system.

• heart
• lungs
• brain
• skin

Which of the following body systems work together for support, protection, and movement?

• respiratory and cardiovascular
• skeletal and muscular
• skeletal and integumentary
• digestive and respiratory

My spinal cord helps _________ travel between my brain and the nerves in my body. 

• Memories
• Blood
• Waste
• Messages

Arteries carry blood ______ from the heart.

• Away
• To
• Across
• Around

Digestion is when food is absorbed into the blood stream by? 

• villi
• stomach
• esophagus
• liver

The large intestine is responsible for?

• absorption of water
• absorption of food
• making chyme

Which organ contains bacteria that helps with breaking down plant fiber?

• large intestine
• small intestine
• stomach

The mouth contains _____________ that make the enzymes in saliva? 

• Salivary glands
• esophagus
• mouth
• Peristalsis

Peristalsis is when?

• muscle contractions move the food along
• digestion begins
• stomach digests food
• muscle does nothing