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WorksheetsNATURAL 4º 1er TRIMESTRE
Total questions: 28
Worksheet time: 4hrs 7mins
We breathe in carbon dioxide and breathe out oxygen
True
False
When we breathe out the diaphragm...
Contracts
Relaxes
When we breathe out, the ____________ leaves our lungs.
Carbon dioxide
Oxygen
Which are the main organs in the respiratory system?
Heart
Stomach
Lungs
Nose
What does the heart do?
It pumps blood to all the parts of the body.
It is a part of the circulatory system.
It is one of the main organs of the body.
It can go fast when you run or slow when you are sleeping.
What do arteries carry?
blood with carbon dioxide and waste
blood with oxygen and nutrients
blood
Blood with waste and oxygen
They connect arteries and veins
circulatory system
The lungs
The heart
The capillaries
The parts of the circulatory system are:
The heart and the blood vessels.
The heart, blood vessels and the lungs.
The heart and the lungs.
The heart and the blood.
It carries blood to the heart
A Capillary
An Artery
A Vein
The lungs
The…. carry blood from all parts of the body back to the heart
CAPILLARIES
ARTERIES
HEART
VEINS
The blood vessels that carry blood from the heart to all other parts of the body is:
The capillaries
The arteries
The veins
Blood vessels include:
Red blood cells, platelets, white blood cells
Blood, water and nutrients
Capillaries, arteries and veins
Where does the blood take oxygen from?
Lungs
Small intestine
Kidneys
The respiratory system takes in oxygen and gives out _____
Carbon dioxide
More oxygen
Air and nutrients
The trachea is a tube that divides into two smaller tubes called _____
Bronchi
Nostrils
Lungs
The right ventricle pumps blood to the lungs
True
False
Fertilisation:
The embryo becomes a foetus.
The baby is born.
A sperm joins an ovum.
In the last three months...
The foetus is developed and preparing to be born.
Limbs start to grow and organs start to develop.
A sperm joins an ovum and the reproduction process begin.
The embryo is the size of a small seed.
LETTER e:
Uterus
Vulva
Ovaries
Vulva
LETTER g:
Vulva
Vagina
Ovaries
Uterus
LETTER f:
Ovaries
Uterus
Vulva
Vagina
LETTER h:
Uterus
Vagina
Vulva
Ovaries
LETTER a:
Urethra
Testicles
Scrotum
Penis
LETTER b:
Urethra
Testicles
Scrotum
Penis
LETTER d:
Scrotum
Penis
Testicles
Urethra
LETTER c:
Urethra
Testicles
Penis
Scrotum
A developing fetus grows in which part of a woman's body?
ovary
fallopian tube
uterus
cervix
What structure inside the womb transports oxygen and nutrients to the baby?
umbilical cord
amniotic sac
amniotic fluid
placenta
