GENERAL KNOWLEDGE

GK

BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the function of the cardiovascular system
A
carries oxygen and nutrients to body
B
carries waste to excretory system
C
defense against disease
D
all of the above
Explanation: 

Detailed explanation-1: -The purpose of the cardiovascular system is to provide adequate circulation of blood through the body. Pulmonary circulation allows for the oxygenation of the blood, and systemic circulation provides for oxygenated blood and nutrients to reach the rest of the body.

Detailed explanation-2: -Circulates OXYGEN and removes Carbon Dioxide. Provides cells with NUTRIENTS. Removes the waste products of metabolism to the excretory organs for disposal. Protects the body against disease and infection.

Detailed explanation-3: -The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide. These roadways travel in one direction only, to keep things going where they should.

There is 1 question to complete.