What do you mean by heart rate

 Heart rate# 

Heart rate is the number of times the heart beat within a time period usually a minute.The heart beat can be feel at the side of neck,back of the knee etc.

Write any two function of ribosome#

There are two function of ribosome givenot below

1)Provides space for the synthesis of protein,

2)Decoding the massage.

Name the layer of skin

There are three layer of skin

1)Epidermis (topical layer of skin)thickness of Epidermis varies from (0.05)mm (at eyelids)to 0.8-1.5mm (on soles of feet and palms of hands)

2)Dermis (middle layer of skin) it's thickness on the eyelids upto 0.6m and on the back,palms and soles it is upto 3mm

3)Hypodermic

 (Botum layer of skin ) it can be up to 3mm in thickness on the abdomen

Classified different blood group#

1) A Rhd possitive (A+) 2)A Rhd negative (A-)

3)B Rhd possitive  (B+)   4)B Rhd negative (B-)

5)O Rhd possitive (O+)  6)O Rhd negative (O-)

7)AB Rhd possitive (AB+)8)AB Rhd negative (AB-)

3)