Everything Life Sciences Grade 10

FACT WATCH:a video about the anatomy of a muscle cell: See video: SHORTCODEat http://www.everythingscience.co.za Learn more abou ...

FACT WATCH:Summary of the workings of the muscle: See video: SHORTCODEat http://www.everythingscience.co.za FACT Osteoporosis is ...

FACT WATCH:Visualise osteoarthritis See video: SHORTCODEat http://www.everythingscience.co.za Figure 7.24: Bone marrow derived c ...

7.8 Summary DUMMY There are 3 types of skeletons: Hydrostatic skeleton Endoskeleton Exoskeleton When animals moved from water ...

State where the Haversian canal is located and state its function. State four functions of bone tissue. Tabulate two difference ...

a) When the Starter’s gun is fired, the athlete’s right leg will straighten, pushing the athlete upwards and forwards. Which of ...

CHAPTER^8 Transport systems in animals 8.1 Overview 220 8.2 Circulatory systems in animals 220 8.3 Lymphatic circulatory system ...

8 Transport systems in animals 8.1 Overview Introduction DUMMY All living organisms require oxygen and nutrients, and a method o ...

Open and closed circulation systems DUMMY There are two types of circulatory systems found in animals: openandclosedcirculatory ...

the gills where it gets oxygenated. Oxygenated blood is then supplied to the entire fish body, with deoxygenated blood returned ...

FACT Humans, birds, and mammals have a four-chambered heart. Fish have a two-chambered heart, one atrium and one ventricle. Amph ...

Figure 8.4: Pulmonary circulation system. Oxygen rich blood is shown in red; oxygen-depleted blood is shown in blue. Systemic ci ...

Figure 8.5: The systemic circulatory system supplies blood to the entire body. Chapter 8. Transport systems in animals 225 ...

FACT Clench your fist - the size of your fist is more or less the size of your heart. FACT In humans, the left lung is smaller t ...

Figure 8.6: The external structure of the heart: the major part of the heart consists of muscles and is known as the myocardium. ...

Figure 8.7: The internal structure of the mammalian heart. In the previous sections we have discussed pulmonary and systemic cir ...

FACT Memory trick: the tRIcuspid valve is found on theRIght side of the heart. Figure 8.8: Flow diagram depicting movement of bl ...

Figure 8.9: Major blood vessels of the circulatory system. Investigation: Dissecting a mammalian heart Aim: To dissect a mammali ...

Place the heart on the dissecting board with the atria at the top and the ventricles facing downwards. Carefully examine the ex ...

Blood is forced through the tricuspid and bicuspid valves into the ventricles. Phase 2: Ventricular systole (Ventricle contrac ...