EVERYDAY SCIENCE

SCIENCE

CIRCULATORY SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The heart ____
A
carry blood from the heart to all parts of the body.
B
are where oxygen and nutrients are exchanged for carbon dioxide and other waste products.
C
carry blood from all parts of the body back to the heart.
D
is a hollow muscle that pumps blood around the body.
Explanation: 

Detailed explanation-1: -The heart is a hollow muscular organ about the size of a closed fist. It’s in the centre of your chest, behind the breastbone. Each heartbeat sends blood that’s rich in oxygen and nutrients to all parts of your body.

Detailed explanation-2: -Your heart is a hollow muscular organ, about the size of your clenched fist. It pumps blood around the body, delivering oxygen to every organ and cell. The heart lies in the middle of your chest, just behind the breast bone.

Detailed explanation-3: -Your heart is roughly the size of a fist and sits in the middle of your chest, slightly to the left. It’s the muscle at the centre of your circulation system, pumping blood around your body as your heart beats.

Detailed explanation-4: -The heart is a muscular organ, made up of cardiac muscle tissue, helps in the transportation of blood throughout the body.

Detailed explanation-5: -The oxygen-rich blood from the lungs then enters the left atrium and is pumped to the left ventricle. The left ventricle generates the high pressure needed to pump the blood to your whole body through your blood vessels.

There is 1 question to complete.