So they can handle the tough terrain, like rocks and dirt and gravel and harsh grounds.
They way they have an advantage of actually being able to move places
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Active transport is a cellular transport mechanism. It’s the movement of molecules that are assisted by enzymes along the way to a higher concentration.
Answer:
Heart attack
Explanation:
Heart attack is the death of a part of heart muscles and severe pain that causes heart constriction having pain in the chest which spread to the left shoulder and down the arm thereby causing the feeling of pressure in the chest.
This is caused when a blood clots blocks blood flow to the heart thereby leading makes the tissue to loss oxygen and die.
The symptom of heart attack are;
pain in the chest, neck, back or arms, fatigue, lightheadedness, abnormal heartbeat and anxiety, nausea.
Treatment ranges from surgery, medication , rehabilitation e.t.c.
The alula is a small structure that is found on birds. It is located at the joint between the hand wing and the arm wings of birds and it is the freely moving, first digit of a bird's wing. It is normally used by birds in slow flight. In humans, the structure that is comparable to the alula is the thumb.
When examining indentations, document examiners may apply ash <span>to help reveal the indentations</span>
