15593.Blood cells that transport oxygen within the body are the ______.
Plasma
Erythrocytes
Platelets
Leukocytes
15595.Intrcalated discs are found in______.
Between neurons
In cardiac muscles
At the junction of muscles and nerves
In striped muscles
15596.Bone acts as a reservoir for which of the following elements?
Nitrogen
Carbon
Calcium
Hydrogen
15598.Cancer cells are more easily damaged by radiation than normal cells because they are______.
Starved of nutrition
Different in structure
Non dividing
Undergo rapid division
15600.Cells lining the blood capillaries are called______.
Oxyntic cells
Endothelial cells
Parietal cells
Haemocytes
15603.The longitudinal channels of bone are called:
Bone marrow
Haversian canals
Marrow cavity
Lacunae
15604.The functional unit of contractive system in striated muscle is______.
Cross bridges
Myofibril
Sarcomere
Z-band
15608.From which embryonic layer develops the kidney______.
Meso-endoderm
Mesoderm
Endoderm
Ectoderm
15610.Which of the following is NOT a function of epithelial tissue?
Covers surfaces
Secretion and absorption.
Support of the body
Lining of the digestive tract
15612.Which glands secrete hormones directly into the extracellular space?
Endocrine glands
Apocrine gland
Merocrine gland
None of the above