Explanation

 Steroid hormones are hydrophobic molecules synthesized from cholesterol that are able to diffuse through the plasma membrane Examples of this group are sex hormones, such as testosterone, estrogen, progesterone, as well as thyroid hormones, such as glucocorticoids and vitamin D.

Explanation

The longest cell in animals is the nerve cell.

Nerve cells are also known as neurons and in the human body, they can be up to 3 feet long.

Explanation

 The eustachian tube is not part of the inner ear; the inner ear consists of the cochlea, semicircular canals, and the vestibule (which includes the utricle and saccule). 

Explanation

The minimum voltage which can flow current in the human body is 70 to 80 volts

 کم از کم وولٹیج جو انسانی جسم میں کرنٹ بہا سکتا ہے 70 سے 80 وولٹ ہے

Explanation

The heart is the organ responsible for pumping blood throughout the human body.

It ensuring that oxygen and nutrients are delivered to tissues and organs.

Explanation

• Breathing consists of two phases.
• The first phase is the inspiration phase.
• Inspiration allows air to flow into the lungs.
• The second phase is the expiration
  

Explanation

Answer:

B

According to Archimedes' principle, when an object is completely or partially submerged in water, the water moves according to its volume. The body swims in the water when its weight is lighter than the weight of the same amount of water. If its weight is equal to the weight of the same amount of water, it remains floating.

Explanation

 A moderate deficiency of zinc is known to cause loss of appetite and poor growth

According to a study published in the Journal of the National Institutes of Health (NIH).

Zinc is essential for proper growth and development

Explanation

•  for a full minute is the most accepted practice for the nurse to count the apical pulse
• **
• The apical pulse is the pulse point on your chest at the bottom of your heart.
• the apical pulse is related to cardiac functions. 
  

Explanation

The human cell contains 46 chromosomes.

These are organized into 23 pairs, where each parent contributes one chromosome to each pair, resulting in a total of 46 chromosomes in most human cells.

This number includes 22 pairs of autosomes and 1 pair of sex chromosomes, determining an individual's sex (XX for females and XY for males).