Very High Frequency (VHF) have __________ wavelengths?

Very High Frequency (VHF) have __________ wavelengths?

A. shorter
B. shortest
C. longer
D. longest
Very High Frequency (VHF) have shorter wavelengths? Very high frequency is the ITU designation for the range of radio frequency electromagnetic waves from 30 to 300 megahertz, with corresponding wavelengths of ten to one meters.

How many chambers are in the human heart ?

How many chambers are in the human heart ?

A. 02
B. 03
C. 04
D. 05

In humans, other mammals, and birds, the heart is divided into four chambers: upper left and right atria and lower left and right ventricles. Commonly the right atrium and ventricle are referred together as the right heart and their left counterparts as the left heart.

In human, Which body part develop first ?

In human, Which body part develop first ?

A. Heart
B. Brain
C. Lungs
D. Kidneys

The heart is the first organ to form during development of the body. When an embryo is made up of only a very few cells, each cell can get the nutrients it needs directly from its surroundings.