Question

matching section
directions: match the description and correct item. some answers may not be used. for answers with two letters,
please bubble both letters on the same line. ex: ac → bubble both a and c on the same number line. (2.5 pts. each)
___52. eliminates the need for constant eating
a. salivary amylase
___53. ball of chewed up food and saliva (in mouth)
b. jejunum
___54. cells that contain hemoglobin and carry oxygenc. red blood cell
___55. emulsifies fatsd. duodenum
___56. reabsorbs water from undigested materiale. vein
___57. monomer of a proteinab. pepsin
___58. location of chemical digestion of all polymersac. stomach
___59. enzyme used to breakdown proteinsad. amino acid
___60. collects and neutralizes many toxins (alcohol)ae. liver
___61. blood vessel that carries blood toward the heartbc. artery
___62. enzyme used to breakdown starchbd. bile
be. bolus
cd. ileum
ce. trachea
de. colon/large intestine

Explanation:

• 52: The stomach (ac) stores food, so it eliminates the need for constant eating.
• 53: A bolus (be) is a ball of chewed - up food and saliva in the mouth.
• 54: Red blood cells (c) contain hemoglobin and carry oxygen.
• 55: Bile (bd) emulsifies fats.
• 56: The colon/large intestine (de) reabsorbs water from undigested material.
• 57: Amino acids (ad) are the monomers of proteins.
• 58: The duodenum (d) is the location of chemical digestion of all polymers.
• 59: Pepsin (ab) is an enzyme used to break down proteins.
• 60: The liver (ae) collects and neutralizes many toxins (e.g., alcohol).
• 61: Veins (e) are blood vessels that carry blood toward the heart.
• 62: Salivary amylase (a) is an enzyme used to break down starch.

Answer:

1. ac
2. be
3. c
4. bd
5. de
6. ad
7. d
8. ab
9. ae
10. e
11. a