A. Drones
B. Vectors
C. Hybirds
D. None of these
A. Hypodermis
B. Dermis
C. Hemidermis
D. Epidermis
Which of the following fishes contained lungs?
A. Lamprey
B. Perch
C. Plaice
D. Dipnoi
The Lunar eclipse occurs when:
A. Moon is b/w the earth and the sun
B. Earth is b/w the sun and the moon
C. Sun is b/w the earth and the moon
D. Earth is at right angles to the direction of the sun and the moon
QRS complex represents____________?
A. Atrial systole
B. Ventricular systole
C. Atrial diastole
D. Ventricular diastole
A. 1 Joule
B. 1 erg
C. 1HP
D. 1 poise
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.