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02. The Human Body

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Last edited 37 days ago by Learn LoopHQ.

Chapter: 02. The Human Body

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Our body uses five _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ to see and understand the world around us.

sense organs

All the organs in our body are made up of small building blocks called _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

cells

Similar cells join together to form _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

tissues

An adult human body has a total of _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ bones.

206

The framework of bones in our body is called the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

skeleton

The place where two or more bones meet is called a _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

joint

There are more than _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ muscles in our body.

600

The _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ is located inside the head and is protected by the skull.

brain

The heart is a hollow _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ organ that pumps blood throughout the body.

muscular

We have two _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ that remove waste from the blood and produce urine.

kidneys

Urine is carried from the kidneys to the bladder by tubes called _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

ureters

Food travels from the food pipe to the J-shaped bag called the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

stomach

In the small intestine, _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ from the digested food are absorbed by the blood.

nutrients

The process of breaking down food and absorbing it is known as _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

digestion

The nose, windpipe, and lungs together form the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ system.

respiratory

The air that we take in is rich in _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

oxygen

The air that we breathe out is rich in _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

carbon dioxide

Breathing in is called _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

inhalation

Breathing out is called _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

exhalation

Below the lungs is a muscle called the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

diaphragm

During inhalation, the diaphragm _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ and moves downwards.

contracts

Deep breathing helps in the complete exchange of _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ in the lungs.

gases

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ is a set of breathing exercises in yoga that helps in maintaining lung health.

Pranayam

Air pollution occurs when unwanted and harmful gases, dust particles, fumes, or odour are introduced into the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

atmosphere

Fumes from car exhausts contain _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ gases that cause air pollution.

dangerous

Polluted air can cause lung cancer and many _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ and heart diseases.

respiratory

Some types of air pollution can damage the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ layer present in the atmosphere.

ozone

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ vehicles run on electricity and produce no smoke.

Electric

A newborn baby has about _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ bones.

305

The _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ muscles are small compared to those in our legs.

eye

Ribs protect the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ and the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

heart, lungs

Earthworms have no _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ at all.

bones

Ingesting a lot of _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ harms the kidneys.

chemicals

The undigested food is sent out through the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ in the form of faeces.

anus

The lungs are two _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _-like, cone-shaped structures.

sponge

The model activity of the respiratory system shows that when space is created inside the bottle, air _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ the balloon.

fills

Deep breathing involves pushing out the _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ during inhalation.

abdomen (or belly)

The human heart has the same size as our _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

fist

Tiny hair that keep mucus and dirt out of our lungs are called _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .

cilia

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ is formed from smoke and fog.

Smog

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