The volume flow rate of blood that moves at 0.20 m/s through an artery with a diameter of 1.0 × 10^-2m is 0.2×10^-2 m^3/s.
What is volume flow rate?
The volume flow rate Q of a fluid is defined to be the volume of fluid that is passing through a given cross sectional area(A) per unit time.
where,
Q is the volume flow rate of a fluid;
A is the cross sectional area;
v is the velocity of the fluid.
Q = 1.0×10^-2m × 0.20 m/s
Q = 0.2×10^-2 m^3/s
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Answer:
The muscle's origin is proximal and the muscle insertion is distal.
Explanation:
The muscle is attached to bone by the tendons. The muscle contraction helps in the movement of the body.
The muscle origin site does not move during contraction whereas the insertion site moves when muscle contracts. The origin point of the muscle is proximal. The insertion site of the muscle is distal.
Answer:
c. Brain produces and utilizes ketones when glucose is scarce
Explanation:
Yes, brain utilizes ketones when glucose is present in low concentration because ketones also provides energy to the body. Glucose is the primary material which is used by the brain but when glucose is not available, the brain uses ketones such as β-hydroxybutyrate (βHB) and acetoacetate (AcAc) in order to fulfill its requirement in the fasting and prolonged starvation so we can conclude that our brain uses ketones in the absence of glucose.
Answer:
dissatisfaction with body image
Explanation:
