Question

A. Fill in the blanks.
1. The nitrogenous wastes in the urine are
and
2. Kidneys are
shaped
3. The muscular bag located at the bottom of the abdomen is
4.
nerves carry messages to and from the brain.
5. Medulla oblongata is located in the
JUST
B.
AR
State whether the given statements are true (T) or false (F).
1. Metabolic reactions produce waste.
2. The yellow colour of urine is due to urea,
3. Kidney consists of a large number of neurons.
4. Lung is our main excretory organ.
5. Cerebellum is the largest part of the brain.
C. Identify the error(s) in the given statements.
1. Ureter is a tube-like opening in the urinary bladder through which urine passes out.
2. Urination is a physiological process that maintains water and salt concentration in the body
3. Cerebellum controls our thoughts and memory.
4. The human brain weighs about 2.5 kg
5. Motor nerves carry messages to and from the brain.
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Answer 1

Answer:

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