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16 Questions

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Human Blood and Internal Environment

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Questions and Answers

What is the function of the lymphatic system in relation to the blood?

Deliver enzymes from the blood to the interstitial fluid

Transport oxygen from the lungs to the digestive tract

Return waste materials from the interstitial fluid to the blood after cleansing (correct)

Carry nutrients from the endocrine glands to the blood

What is the internal environment of the human organism composed of?

Nutrients inside blood vessels, enzymes around body cells, and salts inside lymph vessels

Blood inside blood vessels, interstitial fluid around body cells, and lymph inside lymph vessels (correct)

Oxygen inside blood vessels, carbon dioxide around body cells, and hormones inside lymph vessels

Antigens inside blood vessels, antibodies around body cells, and leukocytes inside lymph vessels

What does the blood pick up from the lungs?

Carbon dioxide

Hormones

Oxygen (correct)

Enzymes

What is the physical characteristic of blood in terms of viscosity?

About 5 times thicker than water Signup and view all the answers

What is the function of red blood cells?

Transporting oxygen and carbon dioxide Signup and view all the answers

Where does haematopoiesis occur in the adult?

Proximal epiphyses of the humerus, femur, sternum, and pelvis Signup and view all the answers

What is the composition of blood?

45% plasma and 55% formed elements Signup and view all the answers

What is the process by which blood cells are formed called?

Haematopoiesis Signup and view all the answers

Which component of blood is involved in protecting against toxins and foreign microbes?

White blood cells Signup and view all the answers

Where are red blood cells produced?

Red bone marrow (myeloid tissue) Signup and view all the answers

What is the normal range of haemoglobin in adult males?

$12-15$gm/dl Signup and view all the answers

Which part of the body regulates pH through buffers?

$ ext{Plasma}$ Signup and view all the answers

What do red blood cells carry within them?

A small amount of carbon dioxide in combination with haemoglobin Signup and view all the answers

What is the primary function of white blood cells?

Protecting against toxins and foreign microbes Signup and view all the answers

Where does haematopoiesis occur in children?

All of the above Signup and view all the answers

What are the normal values of haemoglobin in infants?

$14-20$gm/dl Signup and view all the answers