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Viktor [21]
3 years ago
8

What are the exergonic reactions that provide living systems with energy?

Biology
1 answer:
zzz [600]3 years ago
5 0
It is cellular respiration.
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Sediment is the answer from the knowledge i have and from what i found

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3 years ago
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Which of the following statements about cardiac muscle is true? a. Cardiac muscle is like smooth muscle, because smooth muscle h
Aleonysh [2.5K]

Answer:

c. Cardiac muscle contains bands like skeletal muscle, but its contractions are involuntary like smooth muscle.

Explanation:

In Human anatomy, cardiac cycle can be defined as a complete heartbeat of the human heart which comprises of sequential alternating contraction and relaxation of the atria and ventricles, therefore causing blood to flow unidirectionally (one direction) throughout the human body.

Cardiac muscle is also referred to as myocardium and it's one of the three (3) muscles found only in the heart of vertebrates, the other two (2) being smooth muscle tissue and skeletal muscle tissue.

Cardiac muscle contains bands like skeletal muscle referred to as sarcomeres (contractile units), but its contractions are involuntary like smooth muscle and it's typically being regulated by the sinoatrial node of the heart.

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2 years ago
A flat sheet of connective tissue that extends beyond the muscle fibers to attach the muscle to bone is a(n) ______. a flat shee
luda_lava [24]

Answer:

A flat sheet of connective tissue that extends beyond the muscle fibers to attach the muscle to bone is a TENDON.

Explanation:

Tendon can be described as a fibrous connective tissue which functions mainly to attach muscles to bones hence, playing a major role in the movement of the bone or structure. Tendons also function to connect muscles to other structures like the eye ball.

Contrary to the tendons, ligaments are also fibrous connective tissues which are involved in the attachment of bone to bone. Hence, ligaments play major role in holding the structures and keeping them stable.

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3 years ago
Single-celled organisms are able to maintain internal stability because they :
irinina [24]
That would be C
I hope this helped you.
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