Remote day Review

Where does digestion start?

• stomach

• mouth

• esophagus

The teeth chew food and the stomach churns food into smaller particles. What is the name of this process?

• chemical digestion

• mechanical digestion

• absorption

• enzyme activity

Muscular tube that connects the mouth to the stomach

• Epiglottis
• Peristalsis
• Stomach
• Esophagus

A muscular bag that mixes and crushes food is your

• Small Intestine

• Stomach

• Large Intestine

• Esophagus

Where is most water absorbed during digestion?

• Small Intestine

• Stomach

• Large Intestine

• Esophagus

Where are most nutrients absorbed during digestion?

• Small Intestine

• Stomach

• Large Intestine

• Esophagus

 What is the main job of the digestive system? 

• break down foods into nutrients that can be used by the body
• take in oxygen and exhale waste like carbon dioxide
• pump blood throughout the body
• makes the body hungry

What is the job of your excretory system?

• To bring oxygen into your body

• To pump blood around the body

• To break down food

• To remove waste from your body

The tube that carries urine from the bladder out of the body is called the...

• Ureter

• Urethra

• Renal pelvis

• Renal tubule

The functional unit of the kidney is called __________.

• a glomerulus

• a nephron

• a renal corpuscle

• a renal capsule

Answer explanation

Each kidney has millions of nephrons. Nephrons filter blood and make urine.