Question

what are dark blobs in heart muscle tissue

Answer 1

Answer:

those are the intercalated disk's or if they are round they are nucleus

as heatt muscle are uninu leated

Explanation:

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Answer 2

Heart Muscle Tissue

Explanation:

• The dark bands represent areas of thick protein fibers made of myosin proteins that square light going through the cell and show up dark
• When the muscle strands contract, myosin arranges the actin fibers like an accordion to recoil the muscle cell and make it contract  
• Heart muscle tissue, as skeletal muscle tissue, looks striated or striped. The groups are spread, similar to a tree, yet associated at the two closures
• Dissimilar to skeletal muscle tissue, the constriction of cardiovascular muscle tissue is normally not under cognizant control, so it is called involuntary