Which organ pumps blood around the body?
AnswerHeart
The heart is a muscular pump that pushes blood through the blood vessels.
Fitness · Facts & stats
Fit facts & stats
7 fact-checked facts about fitness and the body in motion, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Which exercise means holding your body straight in a push-up position without moving?
AnswerPlank
A plank is a hold where you keep your body in a straight line supported on forearms or hands and toes.
Going deeper
What is the largest single muscle in the human body?
AnswerGluteus maximus
The gluteus maximus in the buttocks is the largest single muscle, used for standing up, climbing and running.
The Achilles tendon connects the calf muscles to which bone?
AnswerThe heel bone
The Achilles tendon links the calf muscles to the heel bone (calcaneus) and helps you push off when walking.
Which gas do muscles use to release energy through aerobic respiration?
AnswerOxygen
Aerobic respiration uses oxygen to release energy from glucose, producing carbon dioxide and water.
Expert level
How many muscles make up the quadriceps group?
Answer4
'Quad' means four: the rectus femoris and three vastus muscles make up the quadriceps.
Which type of muscle tissue is found only in the heart?
AnswerCardiac muscle
Cardiac muscle exists only in the heart and contracts rhythmically without conscious control.
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