FREE NECO 2020 PHYSICAL EDUCATION ANSWERS – EXPO RUNS

PHE OBJ:
1-10: EBBDAACBBB
11-20: CDCBABCCCB
21-30: BDCBAACDEE
31-40: EACEBEEBCCD
41-50: CCAADCDECD
51-60: BBEBEBBABB



(4a)
Arterial bleeding is the most severe and urgent type of bleeding. It can occur due to a penetrating injury, blunt trauma, or from damage to organs or blood vessels.

(4b)
In a tabular form

-UNDER ARTERIAL BLEEDING-
(i) the blood pumps or spurts from the wound with each heartbeat.
(ii) Arterial bleeding is dangerous and dramatic, the bleeding is bright red.
(iii)When the bleeding comes from an artery, then it is arterial bleeding

-UNDER VENOUS BLEEDING-
(i) In venous bleeding, the blood just runs out of the wound at a steady rate.
(i) Venous bleeding is not dangerous and dramatic. bleeding is dark red.
(iii) When the bleeding comes from a vein, then it is a venous bleeding.

(4c)
(i) shock
(ii) fainting
(iii) asphyxia/ respiratory distress
(iv) suffocation
(v) drowning.



(3a)
(i)supports the body.
(ii)facilitates movement .
(iii)protects internal organs.
(iv)produces blood cells.

(3b)
(i)The heart becomes more efficient with exercise.
(ii)When you exercise, your muscles help to circulate blood through the body taking some of the strain and effort off the heart.
(iii)Not as much work is needed to pump blood and the heart becomes stronger
over a period of time

(3c)
(i)brain.
(ii)spinal cord
(iii)sensory organs



(1a)
Physical fitness is a state of health and well-being and, more specifically, the ability to perform aspects of sports, occupations and daily activities.

(1b)
-In tabular form-

-Intramural competitions-
(i) It means that the activities which are performed within the walls or within the campus of an institutions are called “intramurals”.
(ii)These activities are organised only for the students of a school or an institution.
(iii)No student of other school can participate in these activities.
(iv)There is mass participation

-Extramural competitions-
(i)It means that the activities which are performed outside the walls of an institution or school.
(ii)It means that the activities which are organised by an institution/school and the students of two or more schools can participate in them.
(iii)In extramural competition, the students of other schools can also participate in sports related activities. It is also called inter-school
competitions.
(iv)There is no mass participation

(1c)
(i)Warming up helps the body to deliver oxygen to the exercising muscle groups.
(ii)Warming up increases body temperature, which reduces the chance for muscle and tendon injuries.
(iii)It helps to increases blood flow to the exercising muscles.
(iv)Warming up increases the suppleness of the muscle, thereby enhancing the mechanical
efficiency and power of the exercising muscles.



(5a)
Muscle is a band or bundle of fibrous tissue in a human or animal body that has the ability to contract, producing movement in or maintaining the position of parts of the body.

(5b)
(i)fibrous joint: Fibrous joints are a type of joint where the bones are joined by strong fibrous tissue rich in collagen.
(ii) cartilaginous joint: Cartilaginous joints are a type of joint where the bones are entirely joined by cartilage, either hyaline cartilage or fibrocartilage
(iii) synovial joints: synovial joint is the type of joint found between bones that move against each other, such as the joints of the limbs.

(5c)
(Choose Any Five)
(i)Inadequate blood flow to the muscle
(ii) muscle injuries
(iii) exercising in excessive heat or cold
(iv) stress, most often in the neck muscles
(v) overuse of a specific muscle during exercise
(vi) taking diuretics, which can lead to low potassium levels
(vii) nerve compression in the spine



(2a)
Fainting is a sudden, temporary loss of consciousness. It results from a lack of oxygen reaching the brain

(2b)
(i)Dizziness.
(ii)Weakness.
(iii)Sweating.
(iv)Blurred vision, seeing spots.
(v)Headache.

(2c)
(i)Heart problems (such as heart attack or heart failure)
(ii)Low blood volume (as with heavy bleeding or dehydration)
(iii)Changes in blood vessels (as with infection or severe allergic reactions)

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