Answer:
The answer to the question: velocity of blood is relatively constant as blood flows from the aorta towards the capillaries, would be, B: False.
Explanation:
One way to figure this one out is knowing that the velocity of the blood as it flows through the aorta, comes from the pumping strength of the heart. However, as the blood starts traversing the length of the different arteries, arterioles, and finally reached the capillaries, it encounter two things; first, the speed with which it was originally launched by the heart into the aorta, has already diminished as it moves away from the heart. Second, blood will encounter a series of barriers, not the least of which is resistance from the blood vessels themselves, that will lower the speed with which it will reach the capillares. And this is just as well, as capillaries are much more fragile than arteries themselves, their purpose actually being to serve as exchange points between the cardiovascular system and the different tissues of the body. Their structure is much thinner, and thus needs less speed, in order for exchanges to take place. This is why it is false.
When the right leg is raised toward the ceiling while keeping the right knee straight, the right quadriceps muscles flex isometrically.
When a muscle contracts isometrically, it fires or activates with force and tension, but there is no joint movement. In other words, the joint is immobile, the muscles don't stretch or shorten, and the limbs don't move. Although there is no movement at the joints or change in the length of the muscle fibres during this type of muscle contraction, the muscle fibres still activate. Pushing firmly against a wall or performing a wall sit exercise (sitting with your back against the wall) are two excellent examples of isometric exercises. Exercises that are isometric are substantially easier on the joints throughout the long and short terms. They don't put additional strain on the joints, yet they nevertheless trigger the muscle fibres to fire. Isometric exercises are so frequently employed in rehabilitation programmer for people who have had joint problems or concerns.
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Answer:
Make sure you update your resume. Make sure you have a professional ringtone, email address, and voicemail. Clear voicemails to make sure you receive important messages. Return important messages within 24 hours or less. Be professional, be ready to answer questions, and have dates available that you could interview.
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Answer:
According to Researches done by scientists and astrobiologist, they have the technology and biological mechanism to go out and find new organisms, may be more advanced than us.
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