The systemic circulation starts at the left ventricle and ends at the right atrium

Which part of the systemic circulation supplies the heart itself with blood

Secondary circulation in arteries helps to reduce the load on the heart

The labels of the following figure are: A Pistil: (A1 stigma) (A2 style) (A3 ovary) (A4 ovule) / B Androecium: (B1 anther) (B2 filament) / C. The calyx / D. The corolla / E. Receptacle

is the stalk of a single flower in a cluster (inflorescence)

Embryo: it consists of: A...: the immature shoot / B...: the immature root / C...: the transition region... / D...: the first leaf/leaves

The…….. plant which produces flowers and fruits only once in life. / ......: When male and female flowers are present on separate plant

: Hilum

...: Androecium or gynoecium any one of them are present. / .....: Flower with one of the four whorl missing. / .....: group, the florets start blooming from the bottom... to the top

After entry into the embryo sac, the pollen tube tip bursts and discharges the 2 sperm nuclei. The egg nucleus + one sperm nucleus to form a 2n zygote. The other sperm nucleus + the 2 polar nuclei to