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This is a muscle the size of a fist.
Heart
This is a big muscle between your lungs and stomach.
Diaphragm
This is a tube which transports air into the bronchi.
Trachea
These are small air sacs in the lungs.
Alveoli
Where is oxygen trasnferred into the blood?
In the alveoli.
Which tubes bring air into the lungs?
The bronchi.
True or false. When you breathe out, your diaphragm contracts and moves up.
FALSE. When you breathe out, your diaphragm RELAXES and moves up.
True or false. When you breathe in, your diaphragm moves down and your lungs expand.
TRUE
_______carry blood from the heart to all parts of the body.
The arteries
_______pumps blood round the body.
The heart
_______carry blood from all parts of the body back to the heart.
The veins
______exchange the carbon dioxide in the blood for oxygen.
The capillaries
Which are the main parts of the female reproductive system?
Ovary, uterus, fallopian tube, vagina and vulva.
Which are the main parts of the male reproductive system?
Penis, scrotum, testicle and urethra.
What is fertilisation?
When male and female sex cell join.
Where is sperm produced?
Sperm is produced in the testicles.
