Question

Is pressure higher in the artery or the heart? What is the pressure in the artery

Answer 1

Normal resting blood pressure in an adult is approximately 120 millimetres of mercury (16 kPa) systolic, and 80 millimetres of mercury (11 kPa) diastolic, abbreviated "120/80 mmHg".

Increased pressure in the veins does not decrease flow as it does inarteries, but actually increases flow. Since pressure in the veins is normally relatively low, for blood to flow back into the heart, the pressure in the atria during atrial diastole must be even lower.

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Answer 2

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ᴛʜᴇʀᴇ ᴀʀᴇ ᴛᴡᴏ ᴘʀᴇssᴜʀᴇs ᴍᴇᴀsᴜʀᴇᴅ:

• (1) ᴛʜᴇ sʏsᴛᴏʟɪᴄ ᴘʀᴇssᴜʀᴇ (ᴛʜᴇ ʜɪɢʜᴇʀ ᴘʀᴇssᴜʀᴇ ᴀɴᴅ ᴛʜᴇ ғɪʀsᴛ ɴᴜᴍʙᴇʀ ʀᴇᴄᴏʀᴅᴇᴅ), ᴡʜɪᴄʜ ɪs ᴛʜᴇ ғᴏʀᴄᴇ ᴛʜᴀᴛ ʙʟᴏᴏᴅ ᴇxᴇʀᴛs ᴏɴ ᴛʜᴇ ᴀʀᴛᴇʀʏ ᴡᴀʟʟs ᴀs ᴛʜᴇ ʜᴇᴀʀᴛ ᴄᴏɴᴛʀᴀᴄᴛs ᴛᴏ ᴘᴜᴍᴘ ᴛʜᴇ ʙʟᴏᴏᴅ ᴛᴏ ᴛʜᴇ ᴘᴇʀɪᴘʜᴇʀᴀʟ ᴏʀɢᴀɴs ᴀɴᴅ ᴛɪssᴜᴇs, ᴀɴᴅ
• (2) ᴛʜᴇ ᴅɪᴀsᴛᴏʟɪᴄᴘʀᴇssᴜʀᴇ (ᴛʜᴇ ʟᴏᴡᴇʀ ᴘʀᴇssᴜʀᴇ)