Is football inflatable about American football

About American football
It's similar to basketball in texture and needs to be flushedIs football inflatable or solid
Solid
Who knows the rules of American football? Explain the situation of each team in NFL. Thanks_ Baidu knows
The most basic equipment in football games is football. The official Rugby of the National Football League is handmade by Wilson sporting goods company. It is an oval sphere, about 27.9 to 29.2 cm longIs the football used in the game inflatable? If not, what's in it
It's not inflated ~ ~ it's solid ~ ~ there are some fillers similar to cotton and down inside
Is rugby refilled? Why is the ball mouth a hole
Basically, the pores of the foot basket row of olives in the ball are the same, so there is no doubt to pump up
Who knows the rules of football
The most basic equipment in football games is football. The official Rugby of the National Football League is handmade by Wilson sporting goods company. It is an oval sphere, about 27.9 to 29.2 cm longFootball materials
You are greedy enough to ask so many questions. I answered the third question. Basically, they have nothing in common except that they are called football in Chinese (and the words used in English are different). Compared with American rugby, the ball is inflatable. When passing the ball, you can only wear it backwards, there is no limit on the number of attacks, the touchdown scores are different, and you don't wear complex protective equipmentThe rules of football match and the outcome
American football is the most popular, so here is the American game. There are 11 players on both sides of the game, one is the offensive group, the other is the defensive group. The purpose of the attack team is to push the ball to the opponent's position as much as possible, and strive to cross the scoring line and enter the opponent's end zone to score. There are two ways to attackAll rules of American football game
Rules: American football matches are played between two teams with a maximum of 53 players (NFL rules). Both sides send 11 players to play, and some or all of the players on the field can be changed at any time. The one who gets the ball control is the attacker, and the goal is to push the ball to the opponent's position as much as possibleThe rules of American football
The standard American football game is divided into four sections, each of which is 15 minutes. The second section is called the first half, and the fourth section is called the second half. There is a 12 minute (20 minute college game) halftime between the first and second half. At the beginning of the second half, the ball will kick off again as at the beginning of the game