Answer:
1. False
2. False
3. True
Explanation:
1. Compliance is the capacity of a container to increase in size to allow it hold more content. Blood vessel, arteries and veins expand (increase in volume) to be able to accommodate a surge in blood flow, which is as a result of an increase in pressure of the blood from the heart pumping of the blood
Therefore, compliance in the tendency for blood vessel volume to increase as the blood pressure <em>increases</em> not decrease
The statement is false
2. A large compliance is indicative of being highly sensitive to changes in pressure
Compliance, C = ΔV/ΔP
From the above equation, a blood vessel with a large compliance, exhibit a large increase in volume when the increase in pressure is small
Therefore, the statement 'Blood vessels with a large compliance exhibit a small increase in volume when pressure increases a small amount; is false
3. The compliance of the vein ranges from 10 to 20 times (30 times in some literature) greater than arteries. A factor which can be affected by the vascular smooth muscle contraction or relaxation
Therefore, the statement, 'venous compliance is approximately 24 times larger than arterial compliance, so as venous pressure increases the volume of veins greatly increases' is true
Anatomical adaptations involve every change in the organism's external structure. Option B. A feature of the organism's body that helps it survive and reproduce.
<h3>What is an anatomical adaptation?</h3>
Anatomical adaptations are changes in the external structure of the organisms that help them survive and reproduce in a certain environment.
These adaptations allow the organisms
- to camouflage if necessary (to scape from a predator or to hunt their prey, for instance),
- to protect themselves by imitating dangerous species' colors and shapes,
- to develop special structures needed to feed and move in that specific environment.
There are other two types of adaptations apart from anatomical ones. These are physiological and behavioral adaptations.
<u>Options</u>
A. a system present within the organism that allows it to perform a biochemical reaction ⇒ This is a physiological adaptation
B. a feature of the organism's body that helps it survive and reproduce ⇒ This is an anatomical adaptation
C. a response from the organism that changes it's behavior to help it survive and reproduce ⇒ This is a behavioral adaptation
The correct option is B. a feature of the organism's body that helps it survive and reproduce
You can learn more about anatomical adaptations at
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