NECO PHE ANSWERS 2020

Obj answers are listed below.

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(4a)
Arterial bleeding is the type of bleeding in which blood pumps or spurts from the wound with each heartbeat.

(4b)
In tabular form
-Arterial bleeding-
(i)arterial bleeding the blood pumps or spurts from the wound with eachheartbeat.
(ii)The arterial bleeding is bright red.
(iii)This blood is flowing from a damaged artery.

-Venous bleeding-
(i)In venous bleeding, the blood just runs out of the wound at a steady rate.
(ii)venous bleeding is dark red
(iii)This blood is flowing from a damaged vein.

(4c)
(i) drowning
(ii) electric shock
(iii) choking
(iv) gas or smoke inhalation
(v)poisoning.

(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 perfprmed 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 extramurals 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 group of muscle tissues which contract together to produce a force. A muscle consists of fibers of muscle cells surrounded by protective tissue, bundled together many more fibers, all surrounded in a thick protective tissue.

(5b)
(i)Ball and socket jo int
(ii)Hinge joint .
(iii)Condyloid joint .

(5c)
(i)Poor blood circulation in your legs.
(ii)Working calf muscles
too hard while exercising.
(iii)Not stretching enough.
(iv)Being active in hot temperatures.
(v)Muscle fatigue.

(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)