Answer:
a
Explanation:
A. Genes are located on chromosomes and are passed from parent to offspring.
The answer is Condenser. It is a small non non-magnifying
lens system that condenses light before it passes through the specimen.
Concentrates light on the specimen. Located beneath the stage. First, the iris
diaphragm creates an aperture that regulates the amount of light passing
through the condenser and ultimately the ocular lenses.
Answer: Using tissues that would have been disgarding after surgical procedure
Explanation:
Answer:
There are three main types of blood vessels:
1)Artery ---
i) It is a blood vessel having a thick wall.
ii) It carries blood from the heart to different parts of the body.
iii) On regulatory demand of the body it can dilate or constrict.
iv) It doesn't contain any valve.
v) All arteries carry oxygenated blood except the pulmonary artery.
2)Vein ---
i) It is a blood vessel having a thin wall.
ii) It brings blood from different parts to the heart.
iii) It can't dilate or constrict under normal conditions.
iv) It contains valves that allow the blood to flow in one direction towards the heart.
v) All veins carry deoxygenated blood except the pulmonary vein.
3)Capillary ---
i) It is a very narrow blood vessel that has very thin walls.
ii) It forms a network throughout the body in all living cells connecting arteries to veins.
iii) It can dilate or constrict according to the requirement of tissue.
iv) It doesn't have any valve.
v) It contains mixed blood as it connects arteries and veins
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