Science, asked by arshbarwal, 7 months ago

Q-1 how does a baby takes a b
irth


Q-2 define and explain cell membrane​

Answers

Answered by KSHITIJSINGHRAJPUT
0

Answer:

HERE IS ANSWER

Explanation:

HOW DOES A BABY TAKES BIRTH?

Most babies are born head first; however about 4% are born feet or buttock first, known as breech. Typically the head enters the pelvis facing to one side, and then rotates to face down.During labour, a woman can generally eat and move around as she likes. However, pushing is not recommended during the first stage or during delivery of the head, and enemas are not recommended. While making a cut to the opening of the vagina, known as an episiotomy, is common, it is generally not needed.[15] In 2012, about 23 million deliveries occurred by Caesarean section, an operation on the abdomen. C-sections may be recommended for twins, signs of distress in the baby, or breech position. This method of delivery can take longer to heal from.

DEFINE AND EXPLAIN CELL MEMBRANE.

CELL MEMBRANE:-

The thin membrane that forms the outer surface of the protoplasm of a cell and regulates the passage of materials in and out of the cell. It is made up of proteins and lipids and often contains molecular receptors.

STRUCTURE OF CELL MEMBRANE EXPLAINED

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