Question

define heart? explain about it. ​

Answer 1

Heart is present between the two lungs. It’s size is almost equal to one’s fist . It weighs 360 gms . It has a peritoneal membrane which protects it from electrical shocks. It is divided into Right ventricle and atrium , left ventricle and atrium. It does the work of oxygenating blood and supplies it to the whole body . The contraction and relaxation of heart is known as beating

Answer 2

${\huge{\bold{\pink{\underline{Answer}}}}}$

$\huge\bold\red{Heart}$

• ʜᴇᴀʀᴛ ɪs ᴀ ᴍᴜsᴄᴜʟᴀʀ ᴏʀɢᴀɴ ᴡʜɪᴄʜ ɪs ᴄᴏᴍᴘᴏsᴇᴅ ᴏғ ᴄᴀʀᴅɪᴀᴄ ᴍᴜsᴄʟᴇs. ᴛʜᴇ ʜᴇᴀʀᴛ ɪs ᴀ ᴘᴜᴍᴘɪɴɢ ᴏʀɢᴀɴ ᴡʜɪᴄʜ ᴘᴜᴍᴘs ᴛʜᴇ ʙʟᴏᴏᴅ ᴛʜʀᴏᴜɢʜᴏᴜᴛ ᴛʜᴇ ʙᴏᴅʏ.

• ʜᴇᴀʀᴛ ɪs ᴀ ᴛʀɪᴀɴɢᴜʟᴀʀ sʜᴀᴘᴇᴅ sᴛʀᴜᴄᴛᴜʀᴇ. ɪᴛ ɪs ʟᴏᴄᴀᴛᴇᴅ ɪɴ ᴛʜᴏʀᴀᴄɪᴄ ᴄᴀᴠɪᴛʏ ɪɴsɪᴅᴇ ʀɪʙᴄᴀɢᴇ ʙᴇᴛᴡᴇᴇɴ ʟᴜɴɢs ᴀʙᴏᴠᴇ ᴅɪᴀᴘʜʀᴀɢᴍ ᴀɴᴅ ᴛɪʟᴛᴇᴅ ᴛᴏᴡᴀʀᴅs ʟᴇғᴛ.

$\huge\mathfrak\green{Anatomy \:of \:Heart}$

• ᴛʜᴇ ʜᴜᴍᴀɴ ʜᴇᴀʀᴛ ɪs ᴄᴏᴍᴘᴏsᴇᴅ ᴏғ ғᴏᴜʀ ᴄʜᴀᴍʙᴇʀs, ᴠɪᴢ. ʀɪɢʜᴛ ᴀᴛʀɪᴜᴍ, ʀɪɢʜᴛ ᴠᴇɴᴛʀɪᴄʟᴇ, ʟᴇғᴛ ᴀᴛʀɪᴜᴍ ᴀɴᴅ ʟᴇғᴛ ᴠᴇɴᴛʀɪᴄʟᴇ.
• ᴠᴀʟᴠᴇ ᴀʟʟᴏᴡs ᴏɴᴇ ᴡᴀʏ ғʟᴏᴡ ᴏғ ʟɪǫᴜɪᴅ.

ʜᴇᴀʀᴛ ɪs sᴜʀʀᴏᴜɴᴅᴇᴅ ʙʏ ᴀ ᴛʜɪɴ ʟᴀʏᴇʀ ᴄᴀʟʟᴇᴅ ᴘᴀʀɪᴄᴀʀᴅɪᴜᴍ. ɪᴛ ᴘʀᴏᴛᴇᴄᴛs ᴛʜᴇ ʜᴇᴀʀᴛ ᴀɴᴅ ᴍᴀɪɴᴛᴀɪɴs ᴛʜᴇ sʜᴀᴘᴇ ᴏғ ʜᴇᴀʀᴛ.

sᴇᴘᴛᴜᴍ ɪs ᴀ ᴘᴀʀᴛɪᴛɪᴏɴ ᴡʜɪᴄʜ sᴇᴘᴀʀᴀᴛᴇs ʀɪɢʜᴛ ᴀɴᴅ ʟᴇғᴛ ʜᴇᴀʀᴛ.

ʙʟᴏᴏᴅ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ʜᴇᴀʀᴛ -

ᴛʜᴇʀᴇ ᴀʀᴇ sᴏᴍᴇ ᴛᴇʀᴍs ʀᴇʟᴀᴛᴇᴅ ᴛᴏ ʙʟᴏᴏᴅ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ʜᴇᴀʀᴛ ᴡʜɪᴄʜ ᴀʀᴇ ɢɪᴠᴇɴ ʙᴇʟᴏᴡ.

ᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ: ʙʟᴏᴏᴅ ɪɴ ᴡʜɪᴄʜ ᴏxʏɢᴇɴ ɪs ᴍɪxᴇᴅ ɪs ᴄᴀʟʟᴇᴅ ᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ.

ᴅᴇᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ: ʙʟᴏᴏᴅ ɪɴ ᴡʜɪᴄʜ ᴄᴀʀʙᴏɴ ᴅɪᴏxɪᴅᴇ ɪs ᴍɪxᴇᴅ ɪs ᴄᴀʟʟᴇᴅ ᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ.

ʟᴇғᴛ ᴀᴛʀɪᴜᴍ: ɪᴛ ᴄᴏʟʟᴇᴄᴛs ʙʟᴏᴏᴅ ғʀᴏᴍ ʟᴜɴɢs ᴀɴᴅ ᴘᴀssᴇs ᴛᴏ ʟᴇғᴛ ᴠᴇɴᴛʀɪᴄʟᴇ.

ʟᴇғᴛ ᴠᴇɴᴛʀɪᴄʟᴇ: ɪᴛ ᴘᴜᴍᴘs ʙʟᴏᴏᴅ sᴏ ᴛʜᴀᴛ ɪᴛ ᴄᴀɴ ʀᴇᴀᴄʜ ᴛᴏ ᴀʟʟ ʙᴏᴅʏ ᴘᴀʀᴛs.

ʀɪɢʜᴛ ᴀᴛʀɪᴜᴍ: ᴄᴏʟʟᴇᴄᴛs ʙʟᴏᴏᴅ ғʀᴏᴍ ʙᴏᴅʏ ᴏʀɢᴀɴs ᴀɴᴅ ᴘᴀssᴇs ᴛᴏ ʀɪɢʜᴛ ᴠᴇɴᴛʀɪᴄʟᴇ.

ʀɪɢʜᴛ ᴠᴇɴᴛʀɪᴄʟᴇ: ɪᴛ ᴘᴜᴍᴘs ᴅᴇᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ ᴛᴏ ʟᴜɴɢs.

ᴘᴜʟᴍᴏɴᴀʀʏ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ: ᴅᴇᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ ᴍᴏᴠᴇs ғʀᴏᴍ ʜᴇᴀʀᴛ ᴛᴏ ʟᴜɴɢs ᴀɴᴅ ᴄᴏɴᴠᴇʀᴛs ɪɴᴛᴏ ᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ ᴀɴᴅ ᴛʜᴇɴ ᴛʜɪs ᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ ᴍᴏᴠᴇs ʙᴀᴄᴋ ᴛᴏ ʜᴇᴀʀᴛ. ᴛʜɪs ᴏɴᴇ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ ᴏғ ʙʟᴏᴏᴅ ɪs ᴄᴀʟʟᴇᴅ ᴘᴜʟᴍᴏɴᴀʀʏ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ.

sʏsᴛᴇᴍɪᴄ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ: ɪɴ ᴀɴᴏᴛʜᴇʀ ᴄʏᴄʟᴇ ᴏғ ʙʟᴏᴏᴅ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ, ᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ ᴍᴏᴠᴇs ғʀᴏᴍ ʜᴇᴀʀᴛ ᴛᴏ ᴏᴛʜᴇʀ ᴏʀɢᴀɴs ᴀɴᴅ ᴄᴏɴᴠᴇʀᴛs ɪɴᴛᴏ ᴅᴇᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ ᴀɴᴅ ᴛʜᴇɴ ᴛʜɪs ᴅᴇᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ ᴍᴏᴠᴇs ʙᴀᴄᴋ ᴛᴏ ʜᴇᴀʀᴛ. ᴛʜɪs ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ ᴏғ ʙʟᴏᴏᴅ ɪs ᴄᴀʟʟᴇᴅ sʏsᴛᴇᴍɪᴄ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ.

ᴛʜᴜs ɪɴ ᴛʜᴇ ʜᴜᴍᴀɴ ʙᴏᴅʏ, ʙʟᴏᴏᴅ ᴘᴀssᴇs ᴛʜʀᴏᴜɢʜ ᴛʜᴇ ʜᴇᴀʀᴛ ᴛᴡɪᴄᴇ. ᴛʜɪs ᴛʏᴘᴇ ᴏғ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ ɪs ᴄᴀʟʟᴇᴅ ᴅᴏᴜʙʟᴇ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ.

ᴅᴏᴜʙʟᴇ ᴄɪʀᴄᴜʟᴀᴛɪᴏɴ ᴇɴsᴜʀᴇs ᴄᴏᴍᴘʟᴇᴛᴇ sᴇɢʀᴇɢᴀᴛɪᴏɴ ᴏғ ᴏxʏɢᴇɴᴀᴛᴇᴅ ᴀɴᴅ ᴅᴇᴏxʏɢᴇɴᴀᴛᴇᴅ ʙʟᴏᴏᴅ ᴡʜɪᴄʜ ɪs ɴᴇᴄᴇssᴀʀʏ ғᴏʀ ᴏᴘᴛɪᴍᴜᴍ ᴇɴᴇʀɢʏ ᴘʀᴏᴅᴜᴄᴛɪᴏɴ ɪɴ ᴡᴀʀᴍ-ʙʟᴏᴏᴅᴇᴅ ᴀɴɪᴍᴀʟs.

$\huge{\mathbb{\gold{ NOTE-}}}$

Refer To Attachment