Which body system helps break down and digest food and liquids?
The digestive system
______ are two holes at the bottom of the nose.
Nostrils
Does the nose detect smell or light?
smell
Which part of the eye is a black circle?
the pupil
Which body system absorbs oxygen from the air and expels carbon dioxide?
The respiratory system
True or False: Mammals have sense organs.
True
The _______________ system extracts waste substances from the blood and expels them from our bodies.
excretory
____________ are bumps on the tongue that detect food or liquid.
Taste buds
Humans inhale oxygen and exhale __________________.
carbon dioxide
The ear has three main parts, what are they?
The outer, middle and inner ear.
The _____ is the coloured part in the front of the eye.
iris
Do ears detect sound or taste?
sound
True or False: The mucous membrane detects different substances in the air.
True
True or False: Our skin has hundreds of nerve endings.
False, our skin has thousands of nerve endings
The ___________ system moves blood around our bodies.
circulatory
Does the outer, middle or inner ear contain the cochlea?
the inner ear contains the cochlea