?
mouth
What happens when 2 eggs are fertilised or one egg divides in two during reproduction?
twins
name five organs in the digestive system
mouth, esophagus, stomach, small intestine, large intestine
?
fetus
?
urethra
Smog is bad for what system?
respiratory
What is the function of the circulatory system?
Move blood around the body to give oxygen and nutrients.
?
bladder
What supports all your body?
The bones
What do all the systems make up together?
The body
?
heart
name three things from the stages of pregnancy
embryo, fetus, umbilical cord, egg
What system controls our movements, thinking and what we feel?
nervous system
?
diaphragm
?
intestine
?
lungs
name four organs in the respiratory system
nose/nostrils, trachea, lungs, and diaphragm
?
stomach
name four organs in the excretory system
kidneys, ureters, bladder and urethra.
?
umbilical cord
?
esophagus
What system helps our body breathe?
respiratory system
Human beings are _______.
viviparous
?
uterus
This systems transport blood around the body
circulatory system
?
ureters
What muscular organ pumps blood around the body?
the heart
What is the function of the reproductive system?
To have babies.
What is the fuction of the digestive system?
Break down the food we eat.
?
kidney
What is the fuction of the excretory system?
Remove waste from our body.
Heart, blood vessels and arteries are part of the...
circulatory system