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1. DIRECTION: Read and understand the sentences and questions. Choose the letter of the correct answer from the given
cholces,
1. What organ system of the body that is responsible for eliminating waste from the body?
A respiratory system B. excretory system C. urinary system
D. nervous system
2. It is a part of the excretory system that collects and eliminates liquid waste.
A. respiratory system B. excretory system C. urinary system D. skeletal system
3. It is a bean-shaped organ that eliminate water, urea and other waste products in the form of urine.
A kidney
B. skin
C. glands
D. lungs
4. What do you call a filtering unit where impurities such as urea, salt and other toxins are filtered out.
Aurine
B. skin
C. nephrons
D. kidney
5. Tubes that are approximately 45 cm. each long and carry urine from the kidney to the urinary bladder.
A kidney
B. ureters
C. blood vessels D. veins
6. A pear shaped muscular sac located in the pelvis where urine is temporarily stored before elimination from the
body.
A. Kidney
B. ureters
C. urethra
D. urinary bladder
7. A duct that is approximately 20 cm. long in males and 5 cm. long in females where urine leaves from your body.
A. urethra
B. ureters
C. nephrons
D.gall bladder
8. The process by which waste generally leaves from your body.
A. digestion
B. excretion
C. respiration
D. perspiration
9. What system of the body is the control unit of the body that integrate and coordinate bodily activities?
A respiratory system B. digestive system
C. circulatory system D. nervous system
10. The amazing organ in the nervous system that perform different functions such as processing memory,
judgment and reasoning.
A. spinal cord
B. nerve cells
C. brain
D. neurons
11. Another organ in the nervous system that look like a cord material inside the backbone. It bridges impulse
between the brain and the body.
A. brain
B. spinal cord
C. nerves
D. brainstem
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