GRADED A ACTUAL EXAM

GRADED A+ (ACTUAL EXAM )

Questions and Answers (Solved)

• cellular respiration

Answer: The cellular process which uses oxygen and sugar to produce

energy is called

• the main function of gas exchange in the lungs

Answer: remove carbon dioxide and supply oxygen to the body

• kidney

Answer: organ that removes urea, excess water, and other waste products

from the blood and passes them to the ureter

• digestive system organs

Answer:

• mouth
• esophagus
• stomach
• intestines
• liver
• pancreas
• gallbladder

• mechanical digestion

Answer: Physical breakdown of large pieces of food into smaller pieces

• large intestine

Answer: The last section of the digestive system, where water is ab- sorbed

from food and the remaining material is eliminated from the body

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• small intestine

Answer: Digestive organ where most chemical digestion and absorption of

food takes place

• circulatory system

Answer: transports materials for energy release in body cells

• Veins

Answer: Blood vessels that carry blood back to the heart. They have thinner

walls.

• Atreries

Answer: Blood vessels that carry blood away from the heart They have

thick walls.

• Grana

Answer: A stacked portion of the thylakoid membrane in the chloroplast.

Grana function in the light reactions of photosynthesis

• Stroma

Answer: The fluid of the chloroplast surrounding the thylakoid membrane;

involved in the synthesis of organic molecules from carbon dioxide and water during the light independent reactions.

• Chloroplasts

Answer: Capture energy from sunlight and use it to produce food for the cell

• anaerobic respiration

Answer: Respiration in the absence of oxygen. This produces lactic acid and

fewer ATP.

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