circulatory system?

Question

1) why do you need a transportation network inside your body?

2) Name at least three substances brought into the body that are transported by your circulatory system.

3) Where is each of these substances being taken by the blood?

Answer 1

Basicly-
1) You need a transportation system to take what you ingest and the air you breath to all the cells of your body

2 + 3) Oxygen is brought into your body through your lungs and taken everywhere, Potassium is needed for your muscles, and calcium is needed for your bones

Answer 2

Your body needs a transportation network in your body for survival.

The three substances that are transported by the Circulatory System are: food, oxygen and waste products.

The oxygen is taken to the lungs, the food is taken to the digestive system: esophagus, stomach, large and small intestine. Waste products are processed through the kidneys and eliminated in conjunction with the digestive system.

Answer 3

1) The circulatory system (scientifically known as the cardiovascular system) is an organ system that moves substances to and from cells; it can also help stabilize body temperature and pH (part of homeostasis).

2) Oxygen, Carbondioxide, Inorganic Salts (like Na+, K+, Cl-, Ca2+, Mg2+, etc.), Organic compounds (like carbohydrates, proteins, lipids)

3) Oxygen: From lungs to all other parts (tissues) of the body;
Carbondioxide: From tissues to lungs;
Organic and Inorganic compounds (Energy sources): from intestines to tissues.

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