EVERYDAY SCIENCE

SCIENCE

CIRCULATORY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which is the correct definition of the Circulatory system?
A
The system fights disease so the body stays healthy.
B
The system that circulates blood and oxygen through the body, consisting of the heart, blood vessels, and blood.
C
Breaks down food into smaller pieces and absorbs those nutrients into the body.
D
Provides shape and structure for the body.
Explanation: 

Detailed explanation-1: -The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.

Detailed explanation-2: -(SER-kyoo-lah-tor-ee SIS-tem) The system that contains the heart and the blood vessels and moves blood throughout the body. This system helps tissues get enough oxygen and nutrients, and it helps them get rid of waste products.

Detailed explanation-3: -Circulatory system consists of the heart and blood vessels. In humans, blood flows through arteries and veins and the heart acts as a pumping organ. Blood consists of plasma, RBC, WBC and platelets. Blood is red due to the presence of a red pigment, haemoglobin.

Detailed explanation-4: -Final answer: ‘Valves ensure that the blood does not flow backwards’ is the correct statement about the human circulatory system.

Detailed explanation-5: -The circulatory system or cardiovascular system is a system in which blood circulates throughout the body. This organ includes blood, blood vessels, and the heart. The main function of this system is to provide oxygen, hormones to musles, and nutrients throughout the body.

There is 1 question to complete.