Question

which one of the following statements describes the cell

a. formed from two or more atoms of the same element bonded together

b. the basic structural and functional unit of plant and animal life

c. structural units are made from only organic molecules

b. the smallest units of a element that still retains the properties of that element

which one the following statements is true about the cardiovascular system

a. the hepatic portal vein transports blood from the GI tract to the live

b. capillaries branch to form arterioles to nourish the heart

c. the product of carbohydrates digestion ate taken into the lacteals of the lymphatic system

d. Arteries transport blood and dissolved substances toward the heart

which statement is true about the digestive tract

a. it includes the stomach and pancreas

b. carbohydrates are absorbed in the large intestine

c. undigested food enter the liver

d. vitsmins are not broken down before they are absorbed

Answer 1

1. The cell is the basic structural and functional unit of life, either the case of the small microorganism like bacteria, fungi or viruses or the case of the complex organism like a human. These cells make tissues and then there is the organization of organs and then the body. Hence option B is correct.

2. The hepatic portal vein transports the nutrient-rich blood from the GI tract to the liver. only this statement is correct here in all given, about the cardiovascular system. Hence option A is correct.

3. The digestive tract includes the stomach and pancreas along with the liver, gallbladder and small intestine majorly. Option A is correct.

Note: arbohydrates are absorbed in the small intestine, undigested food inters in the colon part, vitamins are broken like fat-soluble in the fat portions, etc.