Body systems

Front

Body system that removes waste:

Back

Excretory

Answer explanation

The excretory system is responsible for removing waste from the body, including urine and other waste products. The circulatory, digestive, and respiratory systems have different functions and do not primarily handle waste removal.

Front

Body system with kidneys

Back

Excretory

Answer explanation

The kidneys are part of the excretory system, which is responsible for removing waste and excess substances from the body. Therefore, the correct answer is Excretory.

Front

Body system with the heart?

Back

Circulatory

Answer explanation

The heart is a vital organ that pumps blood throughout the body, making it a key component of the circulatory system. Therefore, the correct answer is the Circulatory system.

Front

Muscles help your body...

Back

Move

Answer explanation

Muscles are essential for movement in the body. They contract and relax to enable various physical activities, making 'Move' the correct answer. The other options do not directly relate to muscle function.

Front

My heart is a _________, that pumps blood through the body.

Back

Muscle

Answer explanation

The heart is a muscle that contracts to pump blood throughout the body. It is not a cell, tissue, or bone, making 'muscle' the correct choice.

Front

Air travels down the trachea to the ______.

Back

Lungs

Answer explanation

The air I breathe in travels down the trachea and enters the lungs, where gas exchange occurs. Therefore, the correct answer is 'Lungs', as they are the organs responsible for oxygen intake.

Front

My body needs ______ from the air to live.

Back

Oxygen

Answer explanation

My body needs oxygen from the air to live, as it is essential for cellular respiration. Carbon dioxide is a waste product, carbon monoxide is toxic, and hydrogen peroxide is not a gas we breathe.

Front

Food travels down the oesophagus to the __________.

Back

Stomach

Answer explanation

The food I eat travels down the oesophagus to the stomach, where it is digested. The bladder and kidneys are part of the urinary system, and the big toe is unrelated to digestion.

Front

Oxygen delivery and carbon dioxide removal system

Back

Respiratory system

Answer explanation

The respiratory system is responsible for delivering oxygen to the body and removing carbon dioxide. It includes organs like the lungs and airways, which facilitate gas exchange essential for respiration.

Front

Main organ of the nervous system: __________

Back

brain

Answer explanation

The brain is the main organ of the nervous system, responsible for processing information and controlling bodily functions. The heart, lungs, and skin serve different roles and are not part of the nervous system.