Which of the following body systems breaks down proteins into amino acids?

A. Digestive

B. Excretory

C. Circulatory

D. Endocrine

Answer Explanation:

The digestive system breaks down complex food substances into small and less complex absorbable compounds. Proteins, for instance, are broken down to constituent amino acids through a digestion process that combines mastication and enzymatic breakdown.

Therefore, the Correct Answer is A.

Q #1: Which of the following pathways best represents the expected flow of blood from the human heart to an organ?

A. Blood pumped from the heart first enters arterioles that then merge to form arteries that deliver blood to the organ

B. Blood pumped from the heart first enters arteries that then narrow to form arterioles that deliver blood to capillaries of the organ

C. Blood pumped from the heart first enters versus that then narrow to form venules that deliver blood to arteries to the organ

D. Blood pumped from the heart first enters arteries that then narrow to form arterioles that deliver blood to capillaries

Answer Explanation

From the heart, blood flows through major arteries, which then branch to give rise to arterioles, which then divide into capillaries that deliver blood to the target organ.
Q #2: Which of the following is classified as a noninfectious disease?

A. Psoriasis

B. Brucellosis

C. Olkunginys

D. Dengue

Answer Explanation

Psoriasis is a chronic skin condition that causes red, scaly patches on the skin. It is not contagious, and it is not caused by any microorganism. It is believed to be an autoimmune disorder where the immune system attacks healthy skin cells.
Q #3: Which of the following organelles is the site of intracellular digestion?

A. Mitochondria

B. Lysosomes

C. Centrosomes

D. Ribosomes

Answer Explanation

Lysosomes are membrane-bound organelles that contain lysozymes that are responsible for breaking down waste materials and cellular debris through intracellular digestion. This process helps maintain cellular health and homeostasis by recycling and degrading cellular components.

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Which of the following body systems breaks down proteins into amino acids?

More Questions on TEAS 7 Science

Q #1: Which of the following pathways best represents the expected flow of blood from the human heart to an organ?

Answer Explanation

Q #2: Which of the following is classified as a noninfectious disease?

Answer Explanation

Q #3: Which of the following organelles is the site of intracellular digestion?

Answer Explanation

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