A cubic wooden block with a side length of 7.0 cm floats in water with 5.0 cm submerged. What is the density of the block?

What is the purpose of  spinal meninges ? 

1. DEFINE NERVE PLEXUS, 2. NAME ONE NERVE PLEXUS IN THE BODY: 

In a circular diffraction experiment, a hole is illuminated by light of wavelength [Lambda] nm. The width of the central maximum in a screen [L] m behind the hole is [w] mm. What is the diameter of the hole in millimeters?

As a contact tracer, you have identified several individuals that have come in contact with a know person who has COVID-19. You contact several individuals and follow up with them throughout a 14 day period. None of the individuals you have spoke to so far have any signs associated with COVID-19, so you suspect that they might be asymptomatic. How might an asymptomatic carrier of the coronavirus (SARS-COV-2) interfere with the application of Robert Koch’s postulates? As part of your response, include the Koch’s Postulates.

Which particle is described incorrectly?

What are the two main parts  of the Central Nervous system?

The primary structure of a protein

What is a nerve Track?

The restoring force a bow provides to an arrow as it is pulled back can be modeled as a spring force. The great archer Gila “nocks” an 18-g arrow by pulling it back a distance of 45 cm. Gila fires the arrow horizontally from a small cliff with a height of 15 m, and when the arrow reaches the bottom, it has a speed of 63 m/s. What is the effective spring constant of the bow as Gila nocks the arrow?