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Digestion has _________ main stages.

• 1

• 2

• 3

• 4

Digestion has _________ main stages.

• 1

• 2

• 3

• 4

Which of the following is the correct equation for PHOTOSYNTHESIS?

• CO₂ + light + H₂O --> O₂ + Sugar
• CO₂ + sugar + H₂O --> O₂ + light
• _O2 + light + H₂O --> CO₂ + Sugar
• CO₂ + O₂ + H₂O --> Light+ Sugar

Water is...

• A product of photosynthesis and cellular respiration
• A reactant of photosynthesis and cellular respiration
• A product of photosynthesis and a reactant of cellular respiration
• A reactant of photosynthesis and a product of cellular respiration

All of these art parts of the heart EXCEPT?

• Left ventricle

• Right Atrium

• Left Atrium

• Cortex

• Right ventricle

TRUE OR FALSE:

The human heart has veins that circulate blood around the body and to the heart

• True

• False

With a layer of WHAT does the stomach protect itself from acid erosion?

• Fat

• Mocus

• Food

• Bolus

How long can the average small intestine be?

• 60 Feet

• 86 Feet

• 78 Feet

• 54 Feet

Which action takes place in the stomach ?

• Large fat molecules are digested into smaller molecules

• Proteins are broken down

• Amylase breaks down starches into smaller sugar molecules

• Insulin is secreted for use in the small intestine

The structure that carries the food from the mouth to the stomach

• mouth

• esophagus

• pancreas

• large intestine