Question

Quick Check 1
State whether the following statements
are True or False.
1. Urea is a nitrogenous waste.
2. In humans, the sweat glands are present on
the skin.
3. A kidney is made up of millions of
nephrons.
4. Urethra is guarded by a ring of sphincter
muscles.
5. Liver helps in the conversion of amino acids to
urea.​

Answer 1

Answer:

1. True

2. True

3. True

4. False, The urethral sphincter is a complex of muscles that encircle the urethra and control the flow of urine

5. True