How many chambers does human heart have?
4
The person who works in space is called ________
an astronaut
Name the most famous dwarf planet
Pluto
Which planet is the hottest?
Venus
The line of bones down the center of the back is called _______
a spine
The upper front part of the body of humans and some animals, between the stomach and the neck
a chest
The heart and veins are part of which system?
Circulatory system
The large intestine is a part of which system?
Digestive System
The bones in chest that cover heart and lungs for protection
Ribs
What is the second name of the planet Mars?
Red Planet
What is the largest planet in the Solar System?
Jupiter
Which planet is closest to the Sun?
Mercury
Which planet has rings around?
Saturn
These organs are called ______
Kidneys
What is it?
It is an eclipse.
What is the second name of the planet Earth?
Blue Planet
What can you find on your wrist?
Pulse (heart beats)