The first cardiac chamber to receive oxygenated blood from the placenta is:

Number 5 is pointing to:

Number 6 is pointing to:

In a normal 4 chamber heart view, what cardiac chamber is closest to the spine?

The left atrium receives blood from what vessel(s)?

Number 4 is pointing to:

The main function of chlorophyll is to ___________ light energy

Amino acids form larger molecular structures called ___________

During transcription, ________ is synthesized in the ________.

Photoautotrophs are