(from page 13 to 15)
HW is page 16
6-heart,blood and blood vessels
10-chambers,an atrium and a ventricle
12-rest of the body
13-hinge joint and ball and socket joint
14-skeleton or bones
Q.2.WHAT WOULD HAPPEN IF:
1-The blood coming into the heart will be mixed with that leaving the heart.
2-It will cause an infectious disease
3-It will be killed by saliva, the acids in the stomach or by bacteria in the large intestine
4-It will be filtered by the hair in my nose or stick to the mucus in the walls of the respiratory system then the body expel it outside.
5-It will be digested into simple nutrients to be used by body cells.
Q.3.GIVE THE SCIENTIFIC TERM:
Q.3.TRUE OR FALSE ;
1-f,circulatory system not skeletal system
4-f, not all the muscles
5-f, oxygen not carbon dioxide
8-f, carbon dioxide not oxygen or ogygen poor blood
10-f, small intestine not stomach
11-f, mouth not stomach
12-f, cause not fight
15-f, chemicals not tiny organisms
Q.5.WHAT IS THE FUNCTION OF :
1-Allow circular movement .
2-Pumps oxugen -poor blood to the lungs.
3-Stomach:1.Mashes food .
2.Mixes food with its juices till it becomes a thick liquid.
3.Pushes food into small intestine .
4- Trap and wash away microorganisms
5-Break down food into nutrients to be used by body cells.
6-It is the basic working unit of the nervous system that carries information in the form of electrical signals through all the body .
Q.6.ANSWER THE FOLLOWING QUESTIONS:
1-Blood vessels have smooth muscles.
-Toes have skeletal muscles.
SEE YOU SOOOOOOOOOOOON