Question

Answer in short.
1. Name the various excretory organs present in human beings.
2. Name the organs of the human urinary system.
3. What are the constituents of normal urine?
4. What is the function of medulla oblongata?
5. What are nerves? Name their types.​

Answer 1

Answer:

1. skin, liver, large intestine, lungs, and kidneys
2. kidneys, renal pelvis, ureters, bladder and urethra
3. Urine is an aqueous solution of greater than 95% water. Other constituents include urea, chloride, sodium, potassium, creatinine and other dissolved ions, and inorganic and organic compounds.Urea is a non-toxic molecule made of toxic ammonia and carbon dioxide.
4. controls a number of autonomic (involuntary) functions.transfer messages to the spinal cord and the thalamus, which is in the brain, from the body. The main function of the thalamus is to process information to and from the spinal cord and the cerebellum
5. A nerve is a cable-like structure within the body designed to conduct nerve impulses that relay information from one part of the body to another. Two types of nerves are sensory and motor nerves.

Answer 2

Explanation:

1 ) The excretory organs in humans consist of the following parts:

(i) A pair of kidney

(ii) A pair of ureters

(iii) A urinary bladder

(iv) Urethra

(v) Inferior vena cava and Aorta

(vi) Renal artery and renal vein

(vii) Iliac artery and iliac

2) The organs of the urinary system include the kidneys, renal pelvis, ureters, bladder and urethra.

3) The normal constituents of normal urine are chloride,phosphates,sulphate,calcium etc.

4) Iska answer upar photo kecha hua hai

5) The main 2 types of nerves are sensory nerves and motor nerves.

Sensory nerves also known as afferent nerves, carry impulses from sensory receptors towards the brain.

Motor nerves also known as efferent nerves, carry impulses away from the brain to muscles and glands.

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