science test 3

Question 1

Organs in the digestive system.

Answer 1

STOMACH
LARGE INTESTINE
RECTUM
ESOPHAGUS
ANUS
MOUTH
SMALL INTESTINE

Question 2

function of the digestive system?

Answer 2

break down food into small molecules that are absorbed into the bloodstream. eliminates solid waste from the body.

Question 3

mechanical digestion

Answer 3

PHYSICAL: food is chewed, mixed, and churned.

Question 4

PHYSICAL: food is chewed, mixed, and churned.

Answer 4

Mechanical digestion.

Question 5

Chemical digestion

Question 6

oxygen “poor” blood enters the ______

Answer 6

right atrium

Question 7

what enters the right atrium?

Answer 7

(oxygen poor) blood

Question 8

oxygen-normal) blood flows into what?

Answer 8

the right ventricle.

Question 9

blood is pumped out the heart through the ________ to the lungs

Answer 9

pulmonary arteries.

Question 10

blood is pumped out the heart through the pulmonary arteries to the ________

Answer 10

Lungs

Question 11

in the lungs, blood exchanges __________ for __________

Answer 11

carbon dioxide for oxygen