$CATEGORY: Science - Khan Academy/6.Life Processes/6.Life Processes--Transportation

//Multiple Choice

Elephantiasis is\: {
    ~A viral infection
    ~A result of poor nutrition
    =A condition caused by the obstruction of lymphatic vessels
    ~An autoimmune disorder
}

The circulatory system consists of\: {
    ~Heart
    ~Blood vessels
    ~Blood
    =All of the above
}

What is the importance of holes in the wall of the capillaries? {
    ~To allow the passage of gases
    ~To regulate blood flow
    =To allow the exchange of nutrients, gases, and waste between the blood and tissues
    ~To prevent harmful substances from entering
}

The fluid that oozes out of the holes in the walls of the capillaries is called\: {
    ~Plasma
    ~Blood
    =Lymph
    ~Interstitial fluid
}

Which of the following is not present in the lymph? {
    ~White blood cells
    ~Nutrients
    =RBC
    ~Proteins
}

Which of the following kinds of cells are present in lymph nodes in huge amounts? {
    ~Platelets
    ~RBCs
    =WBCs
    ~Erythrocytes
}

Which of the following are the functions of lymphatic vessels? {
    ~Clear lymph
    ~Help in immunity
    ~Transportation of fat into the bloodstream
    =All of the above
}

Where are lymphatic nodes present in huge amounts in the body? {
    ~Brain
    ~Liver
    =Abdomen and neck
    ~Muscles
}

Which of the following is responsible for transporting lymph? {
    ~Heart
    =Lymphatic vessels
    ~Blood vessels
    ~Nerves
}

Which of the following is a key function of lymph nodes? {
    ~Carry oxygen
    ~Produce red blood cells
    =Filter lymph and trap pathogens
    ~Produce insulin
}

Which of the following is NOT a function of the lymphatic system? {
    ~Immunity
    ~Transport of lymph
    =Transport of nutrients
    ~Filtration of lymph
}


//True or False

The blood applies pressure on the wall of arteries. {T}

Lymph is a bright red color fluid in the body. {F}

The movement of lymph into the lymphatic vessel is one way. {T}

Swollen lymph nodes are the early indication of bacterial infection. {T}

Lymphatic vessels are present only in the limbs. {F}


//Match the following

Match the following items from Column A with their correct corresponding options from Column B\:
{
=Lymph -> Clear, pale yellow fluid
=Lymphatic node -> Filter and trap pathogens
=Lymphatic vessels -> Carry lymph from tissues
}

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