<span>The ventricles are the part of the heart that are responsible for the pumping action to move blood throughout the body. Therefore, the muscles in the ventricles are much larger and thicker to do their job properly. The atrium only has to pump blood through an open valve (the tricuspid valve) into the right ventricle. There is much less resistance to this flow of blood so much less muscle is needed. </span>
Answer:
Option C, 32 million
Explanation:
As per standard rule -
Number of base pair per nucleosome is equal to 
Now, the total number of base pair in human genome is 
billion.
Number of nucleosome in billion base pairs is equal to
These are diploid cells and hence the number of nucleosomes will be 2n
Hence, the total number of nucleosomes are
Hence, option C is correct
Answer:
Pituitary: part of the brain that helps to regulate the endocrine system
thyroid: regulates metabolism
thymus: helps children develop a strong immune
hypothalamus: regulates growth, water balance, and blood pressure
Explanation:
Answer:
Sebaceous glands are the glands responsible for the production of blackheads, an accumulation of oily material.
Arrector pili are the small muscle that is responsible for goosebumps by pulling the hair upright during fright or cold.
Eccrine glands are the perspiration glands that are plays role in temperature control by secreting water to the skin surface, which evaporates in the heat.
The hair follicle is the sheath formed of both connective and epithelial tissues.
Apocrine glands are present in the groin area and most active during puberty. These are less numerous types of the perspiration-producing gland.
Sebaceous glands or oil glands are found with hair follicles and present everywhere on the body except for the soles of feet and palms of the hands.
Hair and nails are the cells that are primarily dead keratinized cells
cutaneous receptors are the special kind of nerve endings that are sensitive to touch, pressure, or temperature.
sebaceous glands secrete oily substances that act as a lubricant for hair and skin and make them moist and smooth.
nails sports a lunula and a cuticle
The alveolus has a large surface area to allow for the largest amount of gas exchange. It also has a wall that is only one cell thick to allow diffusion to occur rapidly. Hope this helps x
