Question

b. Why is digestive system important for our body?
c. List the parts of the digestive and excretory systems.
d. What is the role of large intestine in the digestive system?
e. What is the role of kidneys in the excretory system?

Answer 1

Answer:

b Digestion is important for breaking down food into nutrients, which the body uses for energy, growth, and cell repair. Food and drink must be changed into smaller molecules of nutrients before the blood absorbs them and carries them to cells throughout the body.

c. Your lungs are part of the excretory and respiratory systems. Lungs release water and toxic carbon dioxide when you exhale. Kidneys, part of the urinary system, remove all types of cellular waste products from your blood. Your digestive system eliminates feces from your body.

d. The purpose of the large intestine is to absorb water and salts from the material that has not been digested as food, and get rid of any waste products left over. By the time food mixed with digestive juices reaches your large intestine, most digestion and absorption has already taken place.

e. The kidneys remove from the blood the nitrogenous wastes such as urea, as well as salts and excess water, and excrete them in the form of urine. This is done with the help of millions of nephrons present in the kidney. The filtrated blood is carried away from the kidneys by the renal vein (or kidney vein

Explanation:

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Answer 2

Answer:

b. Digestion is important for breaking down food into nutrients, which the body uses for energy, growth, and cell repair. Food and drink must be changed into smaller molecules of nutrients before the blood absorbs them and carries them to cells throughout the body.

c .part of digestive system-

Stomach

Large intestine

Small intestine

Esophagus

Pancreas

Mouth

Liver

Gallbladder

Pharynx

Rectum

Salivary gland

part of excretory system -

Kidney

Urinary bladder

Ureter

Urethra

d.purpose of the large intestine is to absorb water and salts from the material that has not been digested as food, and get rid of any waste products left over. By the time food mixed with digestive juices reaches your large intestine, most digestion and absorption has already taken place.

e. a major function of the kidneys is to remove waste products and excess fluid from the body. These waste products and excess fluid are removed through the urine. The production of urine involves highly complex steps of excretion and re-absorption.